首页
登录
职称英语
The giant panda, the creature that has become a symbol of conservation, is f
The giant panda, the creature that has become a symbol of conservation, is f
游客
2024-08-17
30
管理
问题
The giant panda, the creature that has become a symbol of conservation, is facing extinction. The major reason is loss of habitat, which has continued despite the establishment of 14 panda reserves. Deforestation, mainly carried out by fanners clearing land to make way for fields as they move higher into the mountains, has drastically contracted mammal’s range. The panda has disappeared from much of central and eastern China, and is now restricted to the eastern flank of the Himalayas.
Satellite imagery has shown the seriousness of the situation; almost half of the panda’s habitat has been cut down or degraded since 1975. Worse, the surviving panda population has also become fragmented; a combination of satellite imagery and ground surveys reveals panda "islands" in patches of forest separated by cleared land. The population of these islands has become isolated because the animals are loath to cross open areas. Just puting a road through panda habitat may be enough to split a population in two.
The minuscule size of the panda population worries conservationists. The smallest groups have too few animals to be viable, and will inevitably die out. The larger populations may be viable in the short term, but will be susceptible to genetic defect as a result of inbreeding.
In these circumstances, a more traditional threat to panda-cycle of flowering and subsequent withering of the bamboo that is their staple food—can become literally species—threatening. The flowering prompts panda to move from one area to another, thus preventing inbreeding in otherwise sedentary populations. In panda islands, however, bamboo flowering could prove catastrophic(灾难性的) because the pandas are unable to emigrate.
The last conservation management plan for the panda, prepared by China’s Ministry of Forestry and the World Wild Fund for Nature, aims primarily at maintaining panda habitats and ensuring that populations are linked wherever possible. This plan will change some existing reserve boundaries, establish 14 new reserves and protect or replant corridors of forest between panda islands. Other measures include better control of poaching, reducing the degradation of habitats outside reserves and reforestation.
The plan is ambitious. Implementation will be expensive and will require participation by individuals ranging from villagers to government officials.
The survival of the giant panda is being seriously【61】______. This is largely because the overall size of their habitat has been reduced. As a result, pandas are more prone to problems and are unable to【62】______around freely, following the growth cycles of【63】______ plant. A new plan aims to protect existing panda【64】______and to join some of them together. This plan also involves reforestation and the creation of new reserves. To succeed, everyone,【65】______both the government and individuals, will have to cooperate. [br]
选项
答案
bamboo
解析
转载请注明原文地址:http://tihaiku.com/zcyy/3723944.html
相关试题推荐
Thegiantpanda,thecreaturethathasbecomeasymbolofconservation,isf
Thegiantpanda,thecreaturethathasbecomeasymbolofconservation,isf
Thegiantpanda,thecreaturethathasbecomeasymbolofconservation,isf
Nowadays,heavytraffichasbecomethesourceofgreatestcomplaintinmanybig
____heillmannered,____thelaziestandthemostirresponsiblecreatureyoucoul
Nowadays,heavytraffichasbecomethesourceofgreatestcomplaintinmanybig
______illmannered,______thelaziestandthemostirresponsiblecreatureyouha
Nowadays,heavytraffichasbecomethesourceofgreatestcomplaintinmanybig
目前,在韩国和日本,汉语已成为第二外语,仅次于英语。(secondto)Atpresent,Chinesehasbecomethesecondfo
NoCreaturescanstrideashumanbeings.Theyarenotphysicallydesignedto
随机试题
BillionsofyearsbeforetheSunwasborn,theMilkyWaygalaxyflickedout
Thehumanfaceisaremarkablepieceofwork.Theastonishingvarietyoffa
Naturallanguageinterfacesenabletheusertocommunicatewiththecomputer
雷尼替丁抑制胃酸分泌的作用机制是A.与溃疡面结合形成保护屏障 B.抑制壁细胞分
属于收费站计算机系统的有()。A.收费站计算机 B.打印机 C.光刻录机
A.地高辛B.洋地黄毒苷C.毒毛花甙KD.毛花甙CE.铃兰毒甙血浆半衰期最长的是
采用杜邦分析法进行战略控制时,有关净资产收益率的公式正确的是( )。A.净资产
调解员应当( )。A.公道正派 B.联系群众 C.关心群众 D.热心调解
商业银行内部控制要与商业银行的经营规模、业务范围、竞争状况和风险水平相适应,并随
贾某与陈某的借款合同纠纷经乙市中级法院审理后作出终审判决,要求陈某在判决生效后的
最新回复
(
0
)