3 levels of biodiversity and its meaning

The three types of Biodiversity is Genetic Diversity, Species Diversity, and Ecosystem Diversity. Taxonomic Diversity. The variety of life on Earth, its biological diversity is commonly referred to as biodiversity. V�q)��Fd�mc�Nx��7Ld�Bt1���ߕ�"��0PzW��D�3�hWqҗ���F������ �X#Yij;�e�fZS�]��S8f~ �S?�%��� 0000014209 00000 n ). 0000468079 00000 n Species Diversity. New genetic variation, which arises by gene and chromosome mutation in individuals and in sexually reproducing organisms, is spread in the population by a recombination of genetic material during cell division preceding sexual reproduction. 0000512387 00000 n 0000467714 00000 n 0000545410 00000 n In general, biodiversity is considered at three (progressively-wider) levels: genetic diversity, species diversity, and ecosystem diversity. These species will also look more similar. Learn more about specific levels of biodiversity, and see examples of plant and animal species and why they are important to each level. Genetic diversity is all the different genes contained in all the living species, including individual plants, animals, fungi, and microorganisms. ׻$Ї���~K���[|f/�"��"��K�'ܖN����m@�P�|�S.P�//�`;�h�� [�n, > stream https://greentumble.com/why-is-it-important-to-conserve-biodiversity 0000458372 00000 n 0000533310 00000 n 0000004069 00000 n %PDF-1.3 %���� Again it indirectly influences the climatic factors, soil nature, chemistry of air etc. trailer << /Size 227 /Info 106 0 R /Encrypt 121 0 R /Root 120 0 R /Prev 774700 /ID[] >> startxref 0 %%EOF 120 0 obj << /Type /Catalog /Pages 108 0 R /Metadata 107 0 R /JT 118 0 R /PageLabels 105 0 R >> endobj 121 0 obj << /Filter /Standard /R 2 /O ( U�V�.�`�����Dz�-���#_m�_�}�g) /U (��Sj�Y.�FV�tC�˶�8��Y�~�X�[%\)3) /P -4 /V 1 /Length 40 >> endobj 225 0 obj << /S 47 /L 329 /Filter /FlateDecode /Length 226 0 R >> stream Biodiversity underpins all life on Earth, and refers to biological variety in all its forms, from the genetic make up of plants an animals to cultural diversity. 0000010963 00000 n 0000511198 00000 n More formally, biodiversity is comprised of several levels, starting with genes, then individual species, then communities of creatures and finally … ; Simpson index 0000467788 00000 n While Earth’s biodiversity is so rich that many species have yet to be discovered, many species are being threatened with extinction due to human activities, putting the Earth’s magnificent biodiversity at risk. 0000457767 00000 n 0000003148 00000 n 0000013330 00000 n Together, they form a set of data that can describe the biodiversity of an area of land, freshwater or sea. 0000545568 00000 n The wild species are of considerable potential benefit to man in medicine, agriculture and industry as a natural source of drugs, food, fuel, fibre, industrial base compounds and additives. Biodiversity plays an important role in the way ecosystems function and in the services they provide. 1. Scientists examine the amount of biodiversity of life at three levels: the genetic level; the species level; and, at the level of ecosystems sustaining the life within them. 0000489904 00000 n +ڽGjF2���/���|�BK�7���@�oqE0�`Em�����X`�U�1'T]�R2:6��(���-�>��й?W�*X����۫-�[�(�U�9VIY�O�o�t�b��B����X�)�E���^L��Ϳ`0��wв��I2�AX�7�z�H�"�j>�QSd�7H��w�Xs�̿��M��.�;v2�X �Ng��3��-,���Z�����0�YߧH���6toX�)n�v�f �?�Rƅ��HzN&^��Ѽ��O��� Biodiversity is not distributed evenly on Earth, and is richer in the tropics. 0000024789 00000 n 0000012576 00000 n ��T?�Q�"��'��]���� But italso traces the study of aspects of biodiversity back as far asAristotle. The term biodiversity (from “biological diversity”) refers to the variety of life on Earth at all its levels, from genes to ecosystems, and can encompass the evolutionary, ecological, and … 0000440466 00000 n ׻$Ї���~K���[|f/�"��"��K�'ܖN����m@�P�|�S.P�//�`;�h�� [�n. Protecting the Gir Habitat, for instance, has saved the Asiatic Lion. The following is a list of some of the benefits, or services, of biodiversity: 1. So biodiversity means many different kinds of life. 0000006629 00000 n 0000415511 00000 n reflects the entire range of evolutionary and ecological adaptations of species to particular environments. PreserveArticles.com is a free service that lets you to preserve your original articles for eternity. 0000010188 00000 n 0000489746 00000 n 0000495189 00000 n No feature of Earth is more complex, dynamic, and varied than the layer of living organisms that occupy its surfaces and its seas, and no feature is experiencing more dramatic change at the hands of humans than this extraordinary, singularly unique feature of Earth. 0000004013 00000 n Genetic diversityis all the different genes contained in all individual plants, animals, fungi, and microorganisms. 0000469093 00000 n 0000496054 00000 n Scientists have named three different levels of biodiversity: genetic diversity, species diversity, and ecosystem diversity. Biodiversity is an essential part of the solution to climate change. 0000025491 00000 n 0000012554 00000 n TOS Genetically diverse crop varieties enable farmers to fit their cropping systems to heterogeneous conditions, to enhance the food security of their households and to exploit a range of crop products. India also has a long tradition of domestic animal breeding for specific qualities. 0000439886 00000 n Species diversity. 0000546146 00000 n 0000496673 00000 n This variety can be observed at three levels; the genetic variability within a species, the variety of species within a community, and the organization of species in an area into distinctive plant and animal communities constitutes ecosystem diversity. Keystone species would include pollinators, top predators and the decomposer organisms and so-forth. 0000495674 00000 n It means life. “Biodiversity” also has served on occasion as a catch-… Or the Great Barrier Reef. For both these cases, biodiversity serves as the source of livestock. 0000009357 00000 n 0000415651 00000 n 0000441098 00000 n To human beings, it opens avenues for understanding the laws and ways of nature and for making the optimum sustainable use of life support systems gifted to man by nature. 0000495347 00000 n Diversity means many different kinds. Biodiversity plays an important role in the way ecosystems function and in the services they provide. Species’ richness varies geographically. 0000008817 00000 n Regulating services such as climate, floods, disease, water quality and pollination 3. Biodiversity refers to the variety of living species on Earth, including plants, animals, bacteria, and fungi. Only 250,000 species of the total stock are plants. L-vk$)�����?g�Vd?O��j 0000490001 00000 n �c����'ZWΰ 0000545893 00000 n Levels of BiodiversityBiodiversity is the variety of all species, their genetic information they contain and the ecosystems they form.There are three levels of biodiversity:• Genetic diversity is the total genetic informationcontained in the genes of all the species. 0000009786 00000 n 1997), documents the rapidrise of the term “biodiversity” in importance and influence. 0000511455 00000 n 0000006408 00000 n 0000468355 00000 n that are the abiotic elements of an ecosystem. The challenges are at least two-fold; to meet farmers’ needs for wide genetic diversity whether through enhanced access to local varieties or newly introduced genetic resources; and to find strategies for linking longer-term conservation goals with immediate product needs. But, gradually over the years, there has been a major loss in the biodiversity across the globe. It also refersto the variation in genetic information betweenspecies as well as the variations between individualsof the same … Disclaimer 0000458815 00000 n There are 3 types of biodiversity: Species biodiversity -------------- The variety of living things (e.g. On the other hand, nature always tries to remain in homeostatic state and various life forms help to maintain this equilibrium. 4. �]7N�^q�J��J%1x���P'*B1Ey�(�e�V�I}jͺ{Q&�^Y�\��,e$j�' �MP�.B+'��R��?��&#Ư���G^���'��ְ!�7�?��6(K�mK�W%����¨ Biodiversity is usually explored at three levels - genetic diversity, species diversity and ecosystem diversity. Genes are the bits of biochemical information that partly determine how an organism looks, behaves, and live… ‘Valuing a loss of biodiversity is more difficult because markets for its preservation are either missing or incomplete.’ ‘The net effect of slashing and burning on biodiversity is difficult to evaluate.’ ‘Australia, like all countries on earth is defined by its biodiversity.’ Learn more. Biodiversity at its most basic level includes the full range of species on earth from micro- orgnisms such as viruses, bacteria through the multicellular kingdom of plants, animals and fungi. On a smaller scale, we can describe the biodiversity of a local forest, park or pond. 0000495950 00000 n 0000439785 00000 n Species richness - the simplest of the indices available. 0000003170 00000 n 0000490606 00000 n 0000007176 00000 n The biodiversity we see today is a result of 3.5 billion years of evolution. The replacement of numerous locally adapted varieties with a few high yielding strains in the large contiguous areas presents the danger of the spread of serious diseases capable of wiping out the entire crop, as happened prior to the Bengal rice famine in 1942. Rainforests have great biodiversity. Genetic biodiversity -------------- The variations between individuals of the same species, and characteristics passed down between parents and offspring (e.g. 0000534647 00000 n All species on Earth are somewhat related through genetic connections. Usually three levels of biodiversity are discussed—genetic, species, and ecosystem diversity. Why are some species better than others at adapting to environmental changes? 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