EEB215H1 Lecture Notes - Lecture 15: Traditional Asian Medicine, Habitat Fragmentation, Habitat Destruction
6 Nov 2016
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Document Summary
Horns productive traditional eastern medicine: male saiga horns primarily. Economic crisis: rarity the more a species is the more people want to collect it because its value increases. Meat for yourself and horns for the market: saiga numbers decreased by 95% in the 1990s. Other threats: habitat loss habitat degradation. A lot of livestock in this area. Fence problem is particularly worrisome: uzbekistan and kazakhstan creating wall between themselves, suitable type of fence is barbed wire fence so they can just. Compounding effects go through it: males are being hunted a lot more than the females. External pressure is going to combine with an intrinsic or internal one. Further drop in numbers that is not from hunting anymore because the few females that are left are not able to reproduce. When the lone male did arrive to the female herd, there was an alpha female that would defend the male from the other females.
