ENWC424 Lecture Notes - Lecture 21: Habitat Fragmentation, Habitat Destruction, List Of Natural Phenomena

• School: University of Delaware
• Department: Entomology and Wildlife Conservation
• Course: ENWC424
• Professor: Nate Nazdrowicz

Document Summary

Lack of protection: rattlesnake roundups, biased expenditure of money. Impact of humans on amphibians and reptiles: habitat destruction and fragmentation. Livestock grazing: habitat destruction and fragmentation, habitat fragmentation. Increased demand for space and consumer products: patchwork of forest remnants within a matrix of human-modified landscape, wetland destruction and modification, vernal wetlands, coastal marshes, timber harvest, clear cutting, bedding, road building. Interference with endocrine system: pcb - polychlorinated biphenols. Injury: disease, other humans, unknown, commercial exploitation for food, collected at non-sustainable rate, consumed worldwide, readily available, protein, commercialization. Imported: may die, spread infectious diseases, 1990 - 1992 - 119,831 animals collected, box turtles. Introduction into non-native habitats: 1992- 1994 - 74,000 gulf coast box turtles were exported, research and teaching, collections, voucher specimens. Lights of coastal towns: fishing, grazing, conservation options, must be multifaceted, research, management programs, education. Lack of information not an excuse: designing a preserve, biological considerations, location, size and shape, connectivity.