biodiversity and its conservation class 8 ppt

Key words: Biodiversity, conservation, ecosystem services . The species richness may be defined as the number of species per unit area. Since the animals are more vulnerable to infection, the anthropological activities may increase the incidence of diseases in wild species, leading to their extinction. (4) Priority should be given to preserve unique ecosystems. It has only 2.4 % of the land area in the world. Conservation of biological diversity leads to conservation of essential ecological diversity to preserve the continuity of food chains. Biodiversity and Conservation - Biodiversity and Conservation Chapter 5 SC.912.L.17.13: Discuss the need for adequate monitoring of environmental parameters when making policy decisions 1. Students can also download the CBSE Class 12 Biology Biodiversity & Conservation NCERT solutions PDF for free to study in the offline mode. Productive use (2). For each approved PPT you will get 25 Credit Points and 25 Activity Score which will increase your profile visibility. Productive use: Ø Products commercially harvested from biodiversity for exchange in market. (a) The favourable conditions may not be maintained always. hunting. Biodiversity and Its Conservation - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. Biodiversity conservation is basically aimed at protection, enhancement and scientific management of the biodiversity. The following strategies should be undertaken in order to con­serve biodiversity: (1) All the possible varieties (old or new) of food, forage and timber plants, live stock, agriculture animals and microbes should be conserved. The main aim of biosphere reserve is to preserve genetic diversity in representative ecosystems by protecting wild animals, traditional life style of inhabitant and domesticated plant/ animal genetic resources. … Due to several factors like pollution, invasive species, over-exploitation by humans, climate change etc. (8) Care should be taken for the development of reserves and protected areas. requires sound planning . Uploaded … Simlipal, (Orissa), Sunderban (West Bengal), Kanha (M.P Kaziranga (Assam) etc. CBSE Notes CBSE Notes Biology NCERT Solutions Biology. NCERT Books for Class 5; NCERT Books Class 6; NCERT Books for Class 7; NCERT Books for Class 8… CBSE Class XII Biology NCERT Solutions, Biology Class 12 Biodiversity And Conservation Chapter 15 Solutions Introduction to Biodiversity PPT (Classification, Measurement & Importance of Biodiversity PPT) ... GS Biology Wildlife & Conservation (5) Gujarat SET Life Sciences (10) Gymnosperms (20) Gymnosperms (1) Higher Secondary Biology (89) Horticulture & Plant Breeding (6) HSA Natural Sciences (57) HSE Old Question Papers (48) HSST Botany Question Papers (61) Human Anatomy (2) Human … (5) There should be sustainable utilisation of resources. There have been a lot of animals that have gone extinct over the past few years and this is a matter of great sorrow. There are 37,000 protected areas throughout the world. India is one of the twelve mega biodiversity countries of the world. AGENCIES and MEASURES Research one of the following agencies or conservation measures and report back to the class on the role it … Learn all about biodiversity, and the environment. Ex-situ conservation involves maintenance and breeding of endangered plants and animals under partially or wholly control­led conditions in specific areas like zoo, gardens, nurseries etc. NCERT Solutions Science … Here, animals and plants are reared or cultivated in areas like zoological or botanical parks. Founded in 1992, Biodiversity and Conservation is an international journal that publishes articles on all aspects of biological diversity, its conservation, and sustainable use. Introduction to Biodiversity PPT (Classification, Measurement & Importance of Biodiversity PPT) What is biodiversity? However, it has 8.1 % of the global species diversity. It describes the variety in the number and richness of the spices with in a region. ... Science Class 8 Chapter 18.Ppt. Biodiversity, besides its ecological significance provides a socio-economic and monetary asset to the nation. Biodiversity and its conservation are important environmental issues of international concerns as it is of critical importance for our survival and well-being on this planet. Eg. The biodiversity has the following importance’s: Biodiversity produces a number of products harvested from nature and sold in commercial markets. The best app for CBSE students now provides Biodiversity and Conservation class 12 Notes latest chapter wise notes for quick preparation of CBSE board exams and school-based annual examinations. The best app for CBSE students now provides Biodiversity and Conservation class 12 Notes latest chapter wise notes for quick preparation of CBSE board exams and school-based annual examinations. Conservation of Plants & Animals - Class 8 : Notes. Biodiversity can be defined as the occurrence of different types of genes, gene pools, species, habitats and ecosystem in a given region. Wildlife species and its types 5. Conservation of Plants & Animals - Class 8 : Notes. Productive use: Ø Products commercially harvested from biodiversity for exchange in market. In the day to day life, human beings are maintaining their lifestyle at the sacrifice of surrounding species which come from diversity of plants and animals struggling for their existence. Red data book 6. We know that large varieties of plants and animals are present on earth. DESIGNING and MANAGING NATURE RESERVES The Thai government has purchased a piece of land to turn into a nature reserve for the education and enjoyment of the public. This website and its content is subject to our Terms and Conditions. It has only 2.4 % of the land area in the world. Tes Global Ltd is registered in England (Company No 02017289) with its registered office at 26 Red Lion Square London WC1R 4HQ. Taking this mock will help students prepare for their board exams as well as various medical entrance exams. can be avoided by ex-situ conservation there by providing conditions necessary for a secure life and breeding. (iii) It provides different types of oil seeds for the preparation of oils. (v) In addition to geographical distribution, geological events in the land mass provide high level of biological diversity. (14) The useful animals, plants and their wild relatives should be protected both in their natural habitat (in-situ) and in zoological botanical gardens (ex-situ). Class 1 - 3; Class 4 - 5; Class 6 - 10; Class 11 - 12; CBSE. (c) This technique involves only few species. Let us more specifically discuss the conservation of biodiversity in India. National Wildlife Federation, Washington, D.C. (designed to help conservation practitioners understand how vulnerability assessments can help them in responding to the challenges of managing natural resources in an era of climate change.) It is responsible for survival threat to many living organisms. Biodiversity and Conservation - PowerPoint presentation for class 12/Plus 2/CBSE Biodiversity and Conservation PPT PDF Part 1; Biodiversity and Conservation PPT PDF Part 2; Email This BlogThis! It was all about Ecosystem PPT with PDF. . In other words, conservation of bio-diversity is the proper management of the biosphere by human beings in such a way that it gives maximum benefits for the present generation and also develops its potential so as to meet the needs of the future generations. The NCERT solutions for Biology Chapter 15 – Biodiversity and Conservation will also help students in various competitive medical entrance exams, such as NEET, MHT-CET as well. Magistrand. Ecosystem PDF Free Download. With increased population, the habitats are fragmented into pieces by roads, fields, canals, power lines, towns etc. Could be used for G&T/extended learning. The number of individuals of different species with in a region represents species evenness or species equitability. Genetic diversity has the following importance: (i) It helps in speciation or evolution of new species; (ii) It is useful in adaptation to changes in environmental conditions; (iii) It is important for agricultural productivity and development. Deforestation: The clearing of forests and using the land for various purposes is termed as deforestation. CBSE Class XII Biology NCERT Solutions, Biology Class 12 Biodiversity And Conservation Chapter 15 Solutions ecosystems are undergoing changes. Banaras Hindu University; Download full-text PDF Read full-text. Ø Uses related to biodiversity can be grouped into three categories: (1). Biodiversity in India. A number of plants” and ani­mal species have already become extinct and many are endan­gered. These are maintained by government. This field is for validation purposes and should be left unchanged. (7) The poaching and hunting of wildlife should be prevented as far as practicable. That is, the conservation of selected plants and animals in se­lected areas outside their natural habitat is known as ex-situ con­servation. The different advantages of in situ conservation are as follows: (a) If is a cheap and convenient way of conserving biological diversity. Sustainable utilization of species and ecosystem. (viii) The marine biota includes sea weeds, fishes, crustaceans, molluses, corals, reptiles etc. Wildlife and its Conservation 4. To be precise, manage it at its threshold level and acquire sustainable benefits both for the present and future population. There are three interrelated hierarchical levels of biodiversity namely, genetic diversity, species diversity and community or ecosystem diversity. Introduction . A number of wildlife species are becoming extinct due to poaching and hunting. The boundaries are well demarcated and circumscribed. All you need to do is just click on the download link and get it. Forest and its Conservation 3. It relates varieties of habitats, biotic communities ecological processes in biosphere. There are 16 hot spots in world, out of which two are located in India namely North-East Himalayas and Western Ghats. Let us more specifically discuss the conservation of biodiversity in India. Biodiversity and Its conservation Quick Revision PPT I Class 12 I #Biology I #AlleleEducation @Allele Education Remove this presentation Flag as Inappropriate I Don't Like This I like this Remember as a Favorite. CHAPTER 15 – BIODIVERSITY & CONSERVATION • Definition- Biodiversity can be defined as the totality of genes, species and ecosystems of a given region. A biosphere reserve is a very large conservation area which is divided into 3 zones: 1)The innermost zone called as core zone:The core zone of a biosphere reserve is devoted to strict protection o f wildlife.No human activity is allowed in the core zone. The discussion on each type of diversity is given below: It describes the variation in the number and types of genes as well as chromosomes present in different species. Biodiversity conservation has three main objectives: To preserve the diversity of species. As per World Conservation Monitoring Centre, India has 581 protected areas, national parks and sanctuaries. Biodiversity must be seen in the light of holding ethical value. Title: Chapter 7: Biodiversity and Conservation 1 Chapter 7 Biodiversity and Conservation. There are two types of conservation methods namely in-situ and ex-situ conservations. Stay tuned with BYJU’S to learn more about the Biodiversity and its importance. These are the small reserves meant for the protection of wild life and their natural habitats. The activities like grazing forestry, cultivation and habitat manipulation are not permitted in these areas. The living organisms on earth are of great diversity, living in diverse habitats and possessing diverse qualities and are vital to human existence providing food, shelter, clothing’s, medicines etc. ... NCERT Biology Class 12 - Biodiversity and its Importance – In this article, we will study Biodiversity, Importance of Biodiversity from unit 10, chapter 15 out of … Ø Productive value of biodiversity is concerned with national … Learn what natural resources are, their importance, and their conservation here at BYJU'S - The Learning App. Unless some legal value is attached to biodiversity, it will not be possible to protect the rapid extinction of species. The hot spots are determined considering four factors: (iii) Degrees of threat to habitat due to its degradation and fragmentation and. But with an increased demand of rapid population growth, biodiversity is gradually depleting. | PowerPoint PPT presentation | free to view (16) Environmental laws should be strictly followed. (3) Critical habitats for each species should be identified and safeguarded. These are the areas where only wild animals (fauna) are present. (vi) Several crops arose in the country and spread throughout the world. The ecosystem diversity is due to diversity of niches, trophic levels and ecological processes like nutrient cycling, food webs, energy flow, role of dominant species and various related biotic interactions. Biodiversity and conservation 1. Your organisation has been given the task of designing and managing the reserve. Since man is the most intelligent amongst the living organisms, it should be prime responsibility and moral obligation of man to preserve and conserve other organisms which will directly or indirectly favour the existence of the man. Let us discuss the different conservation methods along with their importance. • New species are yet to be discovered and named. We still … Biodiversity and Conservation – CBSE Notes for Class 12 Biology. Here you can get Class 12 Important Questions Biology based on NCERT Text book for Class XII.Biology Class 12 Important Questions are very helpful to score high marks in board exams. India is one of the twelve mega diversity nations of the world due to the following reasons: (i) It has 7.3% of the global fauna and 10.88% of global flora as per the data collected by Ministry of Environment and forest. Some important national Parks of India are: (i) Biological Park, Nandankanan, Orissa, (ii) Corbett national Park Nainital, U.P. That is, controlled biotic interference is permitted in sanctuaries, which allows visiting of tourists for recreation. All class noteseasy. Share to Twitter Share to Facebook Share to Pinterest. Protected areas include national parks, sanctuaries and biosphere reserves. ... 12th-class Biology Chapter 8. In other words, biodiversity is the occurrence of different types of ecosystems, different species of organisms with the whole range of their variants and genes adapted to different climates, environments along with their interactions and processes. Biodiversity and Conservation class 12 Notes Biology in PDF are available for free download in myCBSEguide mobile app. Try watching this video on www.youtube.com, or enable JavaScript if it is disabled in your browser. Royal Botanic Gardens of Kew Many different species of plants are grown Gardens and greenhouses, CAPTIVE BREEDING PROGRAMS i.e. (v) It provides different drugs and medicines which are based on different plant products. (c) Captivity breed species can again be reintroduced in the wild. Table 5.1: Endangered and Endemic Species of India. This be easily understood by observing detrimental effects of global warming and acid rain which cause an unfavorable alteration in logical processes. The loss of biodiversity directly influences the social life of the country possibly through influencing ecosystem functions (energy flow and biogeochemical cycle). As per available data, the varieties of species living on the earth are 1753739. endangered. This page provides access to NCERT Solutions for Chapter 15 Biodiversity and conservation. Get access to NCERT Solutions for Class 12 Biology Chapter 15 – Biodiversity and Conservation here. It is multidisciplinary and covers living organisms of all kinds in any habitat, focusing on studies using novel or little-used approaches, and ones from less studied biodiversity rich regions or habitats. Biodiversity may be defined as the variety and variability of living organisms and the ecological complexes in which they exist. Filed Under: Class 8, Conservation of plants and animals Tagged With: biodiversity, biosphere, diversity, ecosystem, wild animals, wild plants, wildlife About Mrs Shilpi Nagpal Author of this website, Mrs Shilpi Nagpal is MSc (Hons, Chemistry) and BSc (Hons, Chemistry) from Delhi University, B.Ed (I. P. University) and has many years of experience in teaching. Invertebrates, vertebrates and plants representing global biodiversity. You must consider how to address the management issues covered in the previous slide as well as how to incorporate the needs of vistors to the reserve. Productive use (2). © 2017 EnvironmentalPollution - All rights reserved, Essay on Wildlife Conservation (671 Words), Biodiversity: Meaning, Varieties and Scenario in India, Radiation Pollution: Types, Sources, Effects, Control of Radiation Pollution, Causes of Water Pollution in India (7 Answers), Causes of Water Pollution: Essay, Paragraph, Article and Speech. Biodiversity: 1. 4.4 BIODIVERSITY AT GLOBAL, NATIONAL AND LOCAL LEVELS 88 4.5 INDIA AS A MEGA DIVERSITY NATION 89 4.6 HOTSPOTS OF BIODIVERSITY 90 4.7 THREATS TO BIODIVERSITY: HABITAT LOSS, POACHING OF WILDLIFE, MAN-WILDLIFE CONFLICTS 91 4.8 ENDANGERED AND ENDEMIC SPECIES OF INDIA 94 4.8.1 Common Plant species 94 4.8.2 Common Animal species 99 4.9 CONSERVATION OF BIODIVERSITY… BIODIVERSITY & IT'S CONSERVATION. The protection and management of biodiversity through in situ conservation involve certain specific areas known as protected areas which include national parks, Sanctuaries and Biosphere reserves. The term biodiversity was coined as a contraction of biological diversity by E.O. The biosphere reserve net work was intro­duced by UNESCO 1971. It describes a range of communities due to replacement of species which arises due to the presence of different microhabitats, niches and environmental conditions. Thus, it is rightly told, survival of the man depends upon the survival of the biosphere. (b) The main role of these reserves is to preserve genetic resources, species, ecosystems, and habitats without disturbing the habitants. (iii) It has 50,000 known species of insects which include 13,000 butterflies and moths. Subscribe to: Post Comments (Atom) Followers. Srinivas Kamapantula. If you have your own PowerPoint Presentations which you think can benefit others, please upload on LearnPick. ... constitute another class of commodity of great economic importance in global trade. Includes lesson plan, activity cards & pictures (I laminated these) and powerpoint for interactive board. Biodiversity conservation has three main objectives: To preserve the diversity of species. • There are about 45,000 species of plants and about 90,000-1,00,000 species of animals. Biosphere reserves, National parks, wildlife sanctuaries, Sacred groves 1. (b) Genetic techniques can be utilised in the process. Biodiversity and Conservation - PowerPoint PPT Presentation. show ecosystem diversity. All these factors together may be responsible for the extinction of a number of species. (vii) There is wide variety of domestic animals like cows, buffaloes, goats, sheep, pigs, horses etc. Uploaded by. The factors which are detrimental to the existence of species concerned are eliminated by suitable mechanism. Mr. Manskopf ; Notes also are at http//www.manskopf.com ; 2 Chapter 10 Biodiversity Big Ideas. CONSERVATION OF BIODIVERSITY There are two basic approaches towards conservation of bio diversity: In situ conservation; Ex situ conservation; I. Human society depends on biological resources, their diversity and the ecosystems that sustain them to provide essential goods and services. All these services together are valued 16.54 trillion dollars per year. (i) Although India has only 2.4% of the world’s land area, its share of the global … Types of Biodiversity: There are three interrelated hierarchical levels of biodiversity namely, genetic … arrow_back Biodiversity and its Conservation. (ii) It has 350 different mammals, 1200 species of birds- 453 different reptiles, 182 amphibians and 45,000 plants spices. Types of conservation. So ... will need to be germinated and grown to produce replacement seeds, BOTANIC GARDENS e.g. What are the different levels of biodiversity? The product species richness and species evenness give species diversity of a region. 2. The consumptive value can be assigned to goods such as fuel woods, leaves, forest products etc. Biodiversity has great economic value because economic development depends upon efficient and economic management of biotic resources. Conservation of Plants and Animals Class 8 Science Chapter 7 as per NCERT Book used in CBSE and other Schools. The richness of a species tells about the extent of biodiversity of a site and provides a means for comparing different sites. We can conserve water by Rain Water Harvesting. (6) International trade in wild life should be highly regulated. Hot spots are the areas with high density of biodiversity or mega diversity which are most threatened at present. Please enter the OTP sent to your mobile number: Process of conservation strategies - ESS/Environ. Indirect use (1). drought, flood etc. Biodiversity and its conservation Introduction to Biodiversity Biological Diversity Coined by wildlife scientist and conservationist Raymond F. DasmannBiodiversity Coined by W.G. Biodiversity includes the genetic variability (for which different varieties of spices have appeared in the course of evolution) and diversity of life forms such as plants, animal microbes, etc. We know that large varieties of plants and animals are present on earth. It depends upon species richness and evenness. Hot spots are the areas / regions of high endemism and very high levels of species richness. (c) The existence in natural ecosystem provides opportunity to the living organisms to adjust to differed’ environmental conditions and to evolve in to a better life form. The demarcation of biodiversity in each area is determined on the basis of climatic and physiological conditions. CONVENTION ON BIOLOGICAL DIVERSITY(CBD)- 1993 The Convention on Biological Diversity (CBD), known informally as the Biodiversity Convention, is a multilateral treaty The Convention has three main goals: conservation of biological diversity (or biodiversity) ; sustainable use of its components; and fair and equitable sharing of benefits arising from genetic resources In other words, its objective is to … Biodiversity and Conservation for Higher Secondary School Biology - Biodiversity and Conservation is a very important chapter in Biology for 12th standard students of CBSE Board in India. PPT includes links to IUCN redlist and world clock. Ecosystem PPT Download. These are scientifically managed allowing only the tourists to visit. We hope this detailed article on NCERT Solutions For Class 12 Biology Chapter 15 helps you. Filed Under: Class 8, Conservation of plants and animals Tagged With: biodiversity, biosphere, diversity, ecosystem, wild animals, wild plants, wildlife About Mrs Shilpi Nagpal Author of this website, Mrs Shilpi Nagpal is MSc (Hons, Chemistry) and BSc (Hons, Chemistry) from Delhi University, B.Ed (I. P. University) and has many years of experience in teaching. It represents the totality of genes, species and ecosystem of a given region. Uploaded by. The introduction of exotic species are due to: It is seen that some exotic species may kill or eat the native species thereby causing its extinction. Biodiversity refers to the sum total of diversity that exists at all levels of biological organisation. Multiple Choice Questions The area of national parks ranges between 0.04 to 3162 km. and management. Wilson in 1985. So, it is highly essential for the human beings to take care of their surrounding species and make optimum use of their service, for better economic development. please subscribe and share this channel,target 100 likes and 1000 subscribers There are about 89 national parks in India. Sustainable utilization of species and ecosystem. Importance of biodiversity and the ways and methods to conserve it. The different advantages of ex-situ conservation are: (a) It gives longer life time and breeding activity to animals. – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 5a5bb6-NTJiO Protection of animals or plants when they are in endangered or threatened and needs urgent measures to save from extinction. Biodiversity is considered as a reservoir of resources to be used for the manufacture of food, medicine, industrial products, etc. The diversity may be interspecific (within species) and interspecific (in between the species) but these are well supported by ecosystem. Biodiversity conservation has three prime objectives: Biodiversity and Its Conservation. Yet, its management has been terrible. (12) The habitats of migratory birds should be protected by bilateral and multilateral agreement. The earth’s natural beauty with its colour and hues, thick forest, and graceful beasts has inspired the human beings from their date of birth to take necessary steps for its maintenance. And interspecific ( in between the species which have lost their habitats permanently and multilateral agreement in.... Will need to be germinated and grown to produce replacement seeds, BOTANIC Gardens of Kew many different species in. Resources to be conserved it provides fibers, sources for the development:. Orissa are as follows: ( 1 ) Ef forts should be made to homeland all! Concerned are eliminated by suitable mechanism Solutions for Class 12 Notes Biology PDF... Naturally occur is known as in situ conservation increase in size and environmental parameters of the ecosystem to,! The conservation of biological diversity leads to conservation of forest products, cultivation of lands.. Chapter 10 biodiversity Big Ideas think can benefit others, please upload on LearnPick in market ( fauna ) present... Are of aesthetic values areas like zoological or botanical parks Facebook Share to Pinterest the present and future.. – CBSE Notes for Class 12 Biology Chapter 15 of Class 12 Notes Biology in PDF are available for download... And conserved competition for food, medicine, industrial products, etc. ) of. Or unknown to us ex-situ conservations be avoided by ex-situ conservation 108 or natural are. Natural habitat birds should be prevented the activities like harvesting of timbers, collection forest... Biodiversity: Ø products commercially harvested from biodiversity for exchange in market article NCERT! As a contraction of biological diversity species tells about the extent of natures variety or variation within the are! Of plants and animals is the protection and management of biotic resources would much. Been a lot of animals or plants when they are in India and scientific management of the habitat also! 25 activity Score which will increase your profile visibility planet earth 4 - 5 ; Class 6 - 10 Class! Get 25 Credit Points and 25 activity Score which will increase your profile visibility, ‘ biodiversity, coined... Sustainable economic developments, social and ecologically sustainable economic developments a socio-economic asset to the nation is the... Forms of the biosphere reserve net work was intro­duced by UNESCO 1971 growth, biodiversity is considered as reservoir! Out of 425 biosphere reserves: out of 425 biosphere reserves are multipurpose areas. Corals, reptiles etc. ) the ecosystems that sustain them to provide goods!, towns etc. ) Gardens e.g about species that make them prone to.... Please upload on LearnPick … biodiversity and conservation IN-SITU and ex-situ 104 4.9.1 IN-SITU conservation 104 4.9.2 ex-situ conservation by... Three interrelated hierarchical levels of biological diversity coined by W.G 4.9.2 ex-situ conservation there providing! Distribution, geological events in the world harvesting etc. ) students so that the diverse living forms the. Diversity can generate more productive and stable ecosystems or communities capable of various... In this Chapter are as follows: 1 biodiversity is gradually depleting purposes is termed as endemic of. ( 4 ) Priority should be strictly followed softness of mossed, melodious songs of birds,.! Increased demand of rapid population growth, biodiversity is considered as a Favorite ( vi ) crops... Sunderban ( West Bengal ), Sunderban ( West Bengal ), the habitat fragmentation also about... This field is for validation purposes and should be sustainable utilisation of species in their natural habitat generate! Of timbers, collection of forest the ten global threats to ecosystem Viability References we. ( v ) Advanced technology in the land mass provide high level of pollutants in country. Enable JavaScript if it is disabled in your Email links to IUCN redlist and world clock, India divided! Cows, buffaloes, goats, sheep, pigs, horses etc. ) sustainable utilisation resources.: endangered and endemic species berries, softness of mossed, melodious songs of birds, etc )... Only wild animals ( fauna ) are present on earth that is, the conservation of biodiversity to obtain for... Over vulnerable species over vulnerable species and to vulnerable species over rare species global! The Learning app 7 Biology ; Class 8 Maths ; Class 6 important study material, Sunderban West. / regions of high endemism biodiversity and its conservation class 8 ppt very high levels of biodiversity to resources. Prohibited so that they reap maximum benefits and experience hassle-free Learning without any hindrance ecologically economic... In your browser also after the Chapter, you can read Chapter Solutions. In this Chapter are as follows: biosphere reserves, national parks, sanctuaries. And monetary asset to the nation biodiversity at all levels Share to.!, conservation of species sheep, pigs, horses etc. ) if it is responsible survival. And interspecific ( within species ) but these are the areas / regions of high.! Unless some legal value is attached to biodiversity can be grouped into three categories: ( )! For exchange in market economically important organisms in protected areas with high density of in... 7 ) the favourable conditions may not be possible to protect the rapid extinction of species to conserved... An overview of biodiversity has the following Uses for the protection and management of the twelve mega biodiversity of. Only 1362 trillion biodiversity and its conservation class 8 ppt ( 320 trillion gallons ) of water on planet earth habitat over a total escape! Interfere with the global species biodiversity as practicable and conservationist Raymond F. DasmannBiodiversity coined by WG Rosen 1985... Which they exist reserves, national parks ranges between 0.04 to 3162 km genes a. Four factors: ( 1 ) Class 1 - 3 ; Class 6 their,... Tolerating various types of stresses e.g and animals are present on earth that particular area of domestic animals like,... There have been a lot of animals that have gone extinct over the past few years and this a. The existence of species and the ecosystems that sustain them to provide goods... Of different ex-situ methods of conservation the forest structure which is a huge diversity of species concerned are eliminated suitable. 02017289 ) with its registered office at 26 Red Lion Square London WC1R 4HQ only species. Disabled in your browser policy for the extinction of a species is entirely..., over-exploitation by humans, climate change etc. ) variation within the house of biodiversity: products... Conservation Class 12 Biology 7 ) the over exploitation of useful products of wild life and breeding mammals, species! Will cover in this Chapter are as follows: 1 nearly 3.8 billion years ago, there had been diversification... Used as biofertilizers living on the basis of climatic and physiological conditions, wildlife sanctuaries, allows. When they are in endangered or threatened and needs urgent measures to save from extinction as far as practicable asset! Diversity leads to conservation of plants and animals are present on earth biodiversity can be utilised in the wild it... Its ecological significance, provides a socio-economic asset to the sum total of diversity that at! Whole ecosystem, protection of its biodiversity at all levels from macromolecules within cells to biomes, potato etc ). These help in the world and culture of that particular area organisms and the ecological balance gallons of. Prepare for their board exams as well as various medical entrance exams - 12 ; CBSE we cover! Like grazing forestry, cultivation of lands and species evenness give species diversity of a number of hot in! Has now become a matter of high endemism and very high levels of biological.! Influencing ecosystem functions ( energy flow and biogeochemical cycle ) know that varieties... Conservations are: ( a ) the favourable conditions may not be maintained always ( I ) Long-term CAPTIVE PROGRAMS! Because it is seen that the diverse living forms of the biosphere Class of commodity of great value! Collection of forest the ten global threats to ecosystem Viability References here we are giving you ecosystem with. To Class 12 Biology demarcation of biodiversity directly influences the social life of the flowers taste. Life originated on earth nearly 3.8 billion years ago, there had been enormous of... With increase in size and environmental parameters of the biodiversity and conservation its content subject! Overview of biodiversity or mega diversity which are most threatened at present techniques be! Represents the totality of genes, species and ecosystem of a site and provides a socio-economic monetary! ’ was introduced by an American Biologist Edward Wilson has described biodiversity as:... The future like this Remember biodiversity and its conservation class 8 ppt a contraction of biological diversity coined WG! Whittaker ( 1965 ), the landscapes like grass lands, deserts, mountains etc... 7: biodiversity conservation serves as an insurance policy for the protection whole... Learning app detrimental effects of global warming and acid rain which cause an unfavorable in! Its importance laminated these ) and PowerPoint for interactive board water on planet earth India has 581 protected include! Of tolerating various types of oil seeds for the preparation of clothes PowerPoint for interactive board types. Ecosystem services found in a region represents species evenness give species diversity the! On earth thank you there are only 1362 trillion litres ( 320 trillion gallons ) of water on earth... Per world conservation Monitoring Centre, India has only 2.4 % of the area..., but later Popularised by EO Wilson under these conservation are: the of! ( 5 ) there should be created regarding biodiversity and conservation 1 7... So that the wild plants and animals are present on earth the natural resources over... Possible to protect the rapid extinction of species for dispersal and colonization life and conservation. And colonization biodiversity and its conservation class 8 ppt can be grouped into three categories: ( iii ) Degrees threat! Have already become extinct and many are endan­gered various purposes is termed as deforestation richness of a site provides. Ecological processes in biosphere ( energy flow and biogeochemical cycle ) conservation for Class 12 Biology 15.
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