biodiversity and its conservation class 8 ppt

Productive value … With increased population, the habitats are fragmented into pieces by roads, fields, canals, power lines, towns etc. 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. For each approved PPT you will get 25 Credit Points and 25 Activity Score which will increase your profile visibility. The natural resources are over exploited to meet growing rural poverty, intensive technological growth and globalization of economy. Remove this presentation Flag as Inappropriate I Don't Like This I like this Remember as a Favorite. are prohibited so that the wild plants and animals can grow and multiply freely without any hindrance. Biodiversity conservation has three main objectives: To preserve the diversity of species. Let us more specifically discuss the conservation of biodiversity in India. 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. can be avoided by ex-situ conservation there by providing conditions necessary for a secure life and breeding. Scanning the Conservation Horizon: A Guide to Climate Change Vulnerability Assessment. supplementary feeding) Controlling human exploitation e.g. The number of individuals of different species with in a region represents species evenness or species equitability. (vi) Several crops arose in the country and spread throughout the world. Biodiversity is a comprehensive umbrella term for . 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. (a) The favourable conditions may not be maintained always. ecosystems are undergoing changes. 4.3 Conservation of biodiversity - Title: 4.3 Conservation of biodiversity Author: sheffecj Last modified by: Shefferly, Christopher J Created Date: 3/14/2011 6:28:33 PM Document presentation format | PowerPoint PPT presentation | free to view – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 424344-Nzg1N The area under a sanctuary remains in between 0.61 to 7818 km. (i) Although India has only 2.4% of the world’s land area, its share of the global … Multiple Choice Questions Try watching this video on www.youtube.com, or enable JavaScript if it is disabled in your browser. 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. Biodiversity conservation serves as an insurance policy for the future. are permitted as long as these do not interfere with the project. Royal Botanic Gardens of Kew Many different species of plants are grown Gardens and greenhouses, CAPTIVE BREEDING PROGRAMS i.e. Biodiversity and Its conservation Quick Revision PPT I Class 12 I #Biology I #AlleleEducation @Allele Education These are maintained by government. To maintain life-supporting systems and essential ecological processes. Terms of Service Privacy Policy Contact Us. Could be used for G&T/extended learning. A number of plants” and ani­mal species have already become extinct and many are endan­gered. BIODIVERSITY & IT'S CONSERVATION. preserve the species that are . Ex-sittu conservation: However, there are situations in which an endangered species is so close to extinction that unless alternate methods are instituted, the species may be rapidly driven to … Summary- Biodiversity and conservation PPT. No comments: Post a Comment. Wild life Institute of India has divided it into ten biogeographical regions and twenty five biotic provinces. NCERT Books for Class 5; NCERT Books Class 6; NCERT Books for Class 7; NCERT Books for Class 8… The lesson covers the complete explanation of class 8 Chapter 7 Conservation of Plants and Animals.Topics covered are the ecosystem, forest and its conservation, wildlife and its conservation, wildlife species and its types, red data book and migration. Indirectly it provides economic benefits to people which include water quality soil protection, equalisation of climate, environmental monitoring, scientific research, recreation etc. 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.) Mainly the conservation of biodiversity has three basic objectives: (a) To maintain essential ecological processes and life supporting systems. Threats to Biodiversity Habitat Loss Happens when either natural disasters or human activities change the ecosystem so much that many species can no longer survive. Introduction of Ecosystem 2. Biological Diversity or Biodiversity: (i) It refers to the variety of organisms living on the earth, their inter-relationships and their relationships with the environment. 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. Types of conservation. Your organisation has been given the task of designing and managing the reserve. Biodiversity conservation has three main objectives: To preserve the diversity of species. Conservation of Plants & Animals - Class 8 : Notes. 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. What are the different levels of biodiversity? Human society depends on biological resources, their diversity and the ecosystems that sustain them to provide essential goods and services. There are about 89 national parks in India. 2) Prevention of extinction . The conservation of species in their natural habitat or natural ecosystem is known as in situ conservation. The magnitude of variation in genes of a species increases with increase in size and environmental parameters of the habitat. The factors which are detrimental to the existence of species concerned are eliminated by suitable mechanism. . 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. India is one of the twelve mega biodiversity countries of the world. Indirect use (1). Newer Post Older Post Home. All class noteseasy. Biodiversity and its Conservation 12th Biology CBSE NCERT Chapter 15 Marketing along with videos,solved papers and worksheets.These are helpful for students in doing homework or preparing for the exams. RICE FARMING DISUSED QUARRY • THE PROPOSED SITE BERNTSEN FALLS GRASSLAND .Q..9..q• RICE FARMING Small hilltribe settlement households) KEY proposed boundary - railway line (in use) = teak and mixed deciduous forest = marshland = highest peak in the country (2567m) = Rafflesia priceii (known sitings) Hylobates lar (known sitings) Neofe/is nebu/osa (known sitings) = Rhinop/ax vigil (breeding grounds) NEAREST TOWN 5km Scale: lcm = 3km, INTERNATIONAL AGENCIES and MEASURES Research one of the following agencies or conservation measures and report back to the class on the role it plays in international conservation efforts. (iii) It has 50,000 known species of insects which include 13,000 butterflies and moths. iii) Other Productive use value: 1. Thus, it is rightly told, survival of the man depends upon the survival of the biosphere. Conservation of biological diversity leads to conservation of essential ecological diversity to preserve the continuity of food chains. Therefore, the conservation of biodiversity of both plants and animals is the need of the hour. (7) The poaching and hunting of wildlife should be prevented as far as practicable. (c) To make sustainable utilisation of species and ecosystems. In the process, the natural surrounding or ecosystem is protected and maintained so that all the constituent species (known or unknown) are conserved and benefited. Post an enquiry and get instant responses from qualified and experienced tutors. (16) Environmental laws should be strictly followed. Red data book 6. Biodiversity may be defined as the variety and variability of living organisms and the ecological complexes in which they exist. (i) Long-term captive breeding and propagation for the species which have lost their habitats permanently. Biology Important Questions Class 12 are given below.. (2) All the economically important organisms in protected areas should be identified and conserved. (12) The habitats of migratory birds should be protected by bilateral and multilateral agreement. Class 7 Physics; Class 7 Chemistry; Class 7 Maths; Class 7 Biology; Class 7 English; Class 6. It relates varieties of habitats, biotic communities ecological processes in biosphere. 1. Class 12 Biology notes on chapter 15 Biodiversity and … Subscribe to: Post Comments (Atom) Followers. Eg. Magistrand. As per World Conservation Monitoring Centre, India has 581 protected areas, national parks and sanctuaries. Different kinds of Animals and Plants. 5.1. EX-SITU and IN-SITU Ex - situ outside site Examples Captive breeding - zoos Botanic gardens Seed banks In situ inside site Example Nature reserves National Parks Marine Parks Biosphere Reserves, SEED BANKS Seeds collected and stored -100C to -200C Remain viable for many years but not forever!! (11) Priority should be given in wildlife conservation programme to endangered species over vulnerable species and to vulnerable species over rare species. We know that large varieties of plants and animals are present on earth. Download Share --> Share. The biosphere reserve net work was intro­duced by UNESCO 1971. (b) Genetic techniques can be utilised in the process. Here we have covered Important Questions on Biodiversity and Conservation for Class 12 Biology subject.. Conservation of biodiversity is protection, upliftment and scientific management of biodiversity so as to maintain it at its threshold level and derive sustainable benefits for the present and future generation. Biosphere reserves, National parks, wildlife sanctuaries, Sacred groves 1. Conserving biodiversity outside the areas where they naturally occur is known as ex situ conservation. (15) Efforts should be made for setting up of National parks and wild life sanctuaries to safeguard the genetic diversity and their continuing evolution. CHAPTER 15 – BIODIVERSITY & CONSERVATION • Definition- Biodiversity can be defined as the totality of genes, species and ecosystems of a given region. Science. which may be consumed locally and do not figure in national and international market. CONSERVATION OF BIODIVERSITY There are two basic approaches towards conservation of bio diversity: In situ conservation; Ex situ conservation; I. The most dreaded factor inducing loss of biodiversity is environmental pollution which include air pollution, Water pollution, industrial pollution, pollution due to chemical Pastes, pesticides radioactive materials etc. 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. (ii) Short-term propagation and release of the animals in their natural habitat. the extent of natures variety or variation within the . There is a huge diversity of life on Earth that is critical to all species. The species richness may be defined as the number of species per unit area. The term ‘Biodiversity’ was introduced by an American Biologist Edward Wilson. But with an increased demand of rapid population growth, biodiversity is gradually depleting. The protected areas are biogeographical areas where biological diversity along with natural and cultural resources are protected, maintained and managed through legal and administrative measures. 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. Protected areas include national parks, sanctuaries and biosphere reserves. 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. The species richness depends largely on climatic conditions. living in a wide range of ecosystems. 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. . (9) Efforts should be made to reduce the level of pollutants in the environment. Biodiversity is being depleted by the loss of habitat, fragmentation of habitat, over exploitation of resources, human sponsored ecosystems, climatic changes, pollution invasive exotic spices, diseases, shifting cultivation, poaching of wild life etc. Please enter the OTP sent to your mobile number: Process of conservation strategies - ESS/Environ. | PowerPoint PPT presentation | free to view (viii) The marine biota includes sea weeds, fishes, crustaceans, molluses, corals, reptiles etc. Class 8 Physics; Class 8 Chemistry; Class 8 Maths; Class 8 Biology; Class 8 English; Class 7. The global hot spot and endemic species present within them are: (iii) Cape region of South Africa (6,000); (xii) Californian Floristic Province (2,140); Different mechanisms involved in the conservation of biodiversity is shown in Fig. 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. (ix) There are a number of hot spots (namely Eastern Ghats, Western Ghats, North Eastern hills etc.). 4.9 CONSERVATION OF BIODIVERSITY: IN-SITU AND EX-SITU 104 4.9.1 In-situ conservation 104 4.9.2 Ex-situ conservation 108. Interfere with the global species biodiversity and its conservation class 8 ppt climate change etc. ) detrimental effects of global warming acid... Spices with in a given area 8 English ; Class 7 Biology ; 8. Species are yet to be precise, manage it at its threshold level and acquire benefits. 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Resources for sustainable development between 0.61 to 7818 km it includes placement and size of various.. Levels from macromolecules within cells to biomes will increase your profile visibility, goats, sheep, pigs, etc...
biodiversity and its conservation class 8 ppt 2021