Manywildanimalsarefacingthedangerofextinction,becausetheenvironmentthattheyarelivinginhaschangedgreatly.Forexample,withthedevelopmetofcities,theusingofinsecticideandseriouspollution,theirlivingareashavebecomenarrowcrandnarrower.Manyofthewildanimals,nowareconfrontedwithfoodcrisis.Atthesametime,maniskillingoffspeciesjustforgettingtheirfur,skin,horns,teethandmeat.
Inordertoprotectourresourcesofecology,peopleshouldrealizethatthelossofanyspeciesisatleastthelossofsourceofknowledgeandasourceofnaturalbeauty.Therefore,measuresofthefollowingshouldbetaken:pollutionstandardsaremadetokeepdownpoisons;killingoffcertainrarespeciesisprohibited;nationalparksshouldbesetupaswildlife,reserves.
Onlyifwehumanbeingstakesomedrasticmeasurescanwildanimalsbepreserved.
保护野生动物
许多野生动物正面临绝种的危险,因为它们生活的环境发生了极大的变化.譬如,随着城市的发展,杀虫剂的使用和严重的污染,野生动物的生活区域变得越来越狭小.许多野生动物目前正面临着食物方面的危机.同时,为了获取野生动物的毛、皮、角、牙齿和肉,人类正在屠杀野生动物.
为了保护生态资源,人们应当意识到任何物种的缺失,至少意味着知识资源和自然美的缺失.因此,应采取以下措施:制订污染标准以降低有毒物质;严禁杀害某些稀有物种;应建立国家公园作为野生动植物保护区.