Biodiversity: Types, Patterns, Importance, Causes and Loss

Dr. Manishika Jain explains Biodiversity: Types, Patterns, Importance, Causes and Loss
iodiversity - Meaning & Importance
Sum of different species of animals, plants, fungi and microbial organisms living on Earth and the variety of habitats in which they live.
Increases productivity and stable ecosystem
What would happen if there are many many lions?
Higher biodiversity ecosystem are more productive
Paul Ehlrich: Rivet Popper Hypothesis - (aeroplane as ecosystem and rivets as species) - If rivets are removed if will not affect safety in beginning but later will become weak and if wings (major species) removed there would be immediate threat
50 million species of plants and animals exist
1.4 million species have been identified so far
Term given by Walter Rosen in 1985
Term popularized by Edward Wilson in 1992
Species rich regions - Tropics and Coral reefs
Of total species, 70% species are animals (amongst animals highest proportion is insects) while 22% are plants
Around 15,000 new species are discovered every year (thanks to Species 2000 & Global Biodiversity Information Facility)
For details on Environment GS visit - www.doorsteptu...
For NEET - www.doorsteptu...
Biodiversity Meaning & Importance @1:01
Level of Biodiversity @5:35
Genetic Diversity @7:14
Low Diversity @8:11
Species Diversity @8:16
Biogeographical Regions of India @12:38
Causes of Biodiversity Loss @15:00
Loss of Biodiversity @17:39
Types of Extinction @18:59
Natural/Background Extinction @19:02
Mass Extinction @19:21
#Latitudinal #Regions #Reciprocal #Dominance #Richness #Biodiversity #Animals #Popularized #Speciation #Fertilizer #Manishika #Examrace
Examrace is number 1 education portal for competitive and scholastic exam like UPSC, NET, SSC, Bank PO, IBPS, NEET, AIIMS, JEE and more. We provide free study material, exam & sample papers, information on deadlines, exam format etc. Our vision is to provide preparation resources to each and every student even in distant corders of the globe.
Dr. Manishika Jain served as visiting professor at Gujarat University. Earlier she was serving in the Planning Department, City of Hillsboro, Hillsboro, Oregon, USA with focus on application of GIS for Downtown Development and Renewal. She completed her fellowship in Community-focused Urban Development from Colorado State University, Colorado, USA. For more information - www.examrace.c... #examrace #upsc #ugcnet

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I want to do m.a. in environmental science or environmental studies from nalanda open university. Then should i be able to appear in ugc net environmental science subject after completing master degree. Or i hv to do either msc botany or zoology. Plz suggest me

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