ENDANGERED AND ENDEMIC SPECIES

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ENDANGERED AND ENDEMIC SPECIES

  1. 1. ENDANGERED ` ENDEMIC aND SPECIES
  2. 2. BIODIVERSITY BIODIVERSITY: Biodiversity refers to the variety and variability among all groups of living organisms and the ecosystem complexes in which they occur.
  3. 3. ENDANGERED SPECIES
  4. 4. Endangered Species : Concept: The endangered species are those living organisms which are almost on the critical level. Thousands of species of plants and animals are endangered and the number increases each year.
  5. 5. Effects On Nature Disruption of food chains and food webs. Affects national biodiversity. Ecological Imbalance
  6. 6. Case study for endangered species • Kokkare Bellure, Karnataka: Pelican species – They need to be preserved because droppings of these fish eating birds are rich in nitrates which is a good fertilizer
  7. 7. ENDEMIC SPECIES
  8. 8. ENDEMIC SPECIES Concept : The concept of Endemism was first given by CANDOLLE. When a species is found only in a particular geographical region because of its isolation, soil and climatic conditions, it is said to be endemic.
  9. 9. Narrow ecological amplitude Changing climatic conditions. CAUSES Poor adaptability. Geographical barriers.
  10. 10. CASE STUDY FOR ENDEMIC SPECIES The Indian Desert: Mangrove Trees – Mangrove roots provide support to unstable soils and withstand currents and storms. Mangrove
  11. 11. HOW TO PREVENT THOSE ANIMALS? SAY SOME SUGGESTION ….
  12. 12. CONSERVATION TECHNIQUES The steps for the conservation of the existing species are: Proper planning and management should be made to preserve wildlife in their habitat (in situ), and in zoos and sanctuaries (ex-situ). The feeding, breeding and nursing of the species should be safeguarded.
  13. 13. Establishment of sanctuaries and national parks with optimum living conditions is necessary. Proper legislative and administrative measures should be taken to regulate international trade of the species.

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