首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Depressing reports about how quickly the world’s tropical forests are being felled are commonplace. But depressing reports about
Depressing reports about how quickly the world’s tropical forests are being felled are commonplace. But depressing reports about
admin
2013-08-03
54
问题
Depressing reports about how quickly the world’s tropical forests are being felled are commonplace. But depressing reports about the state of the trees that are still standing are much rarer. In fact, a new study from the International Tropical Timber Organisation(ITTO), an offshoot of the United Nations, claims to be the first exhaustive survey of tropical-forest management ever undertaken. Its findings, although grim, do contain a kernel of hope.
The ITTO examined "permanent forest estate" , meaning land that the governments of its 33 members have formally set aside for forests, and is therefore subject to some form of regulation or protection. The category includes both national parks and timber concessions, in both public and private hands. It covers 814m hectares, and accounts for roughly two-thirds of the world’s tropical forests.
The concept is important, explains Duncan Poore, one of the authors of the report, because it is not always possible, or desirable, to protect every last grove against encroaching farms or homes. Instead, governments should concentrate on maintaining the forests that are the most commercially and scientifically valuable. Yet the ITTO’s researchers found that only 15% of the permanent forest estate has a management plan, and less than 5% of it is sustainably managed. That still amounts to an area the size of Germany, the report notes, and represents a dramatic improvement since 1988, when an earlier and less extensive survey found that only one country in the tropics—Trinidad and Tobago—had any well-run forests at all. But relative to the area of forest that has disappeared over the same period, the well-managed area is negligible.
The crux is bad government. Poor countries do not always have good forestry laws. Even when they do, they rarely have the capacity to enforce them. It is no coincidence that Malaysia, the country with the highest proportion of prudently managed forest in the study, is also one of the richest. Countries with the worst run forests, meanwhile, are war-torn places such as Congo and Cambodia.
More surprising, perhaps, is the difference the report found between forests where logging is allowed, and those that have been earmarked for conservation. Some 7% of "production" forests, it turns out, are in good shape, compared with just 2.4% of "protection" forests. As Dr Poore points out, it is easy to undertake to preserve a forest, but difficult to do so in practice. Timber concessionaires at least have an incentive to look after their property, while ill-paid and ill-equipped forestry officials often have neither. Exploiting forests may prove the best way to preserve them.
The word "negligible" in Paragraph Three probably means
选项
A、insignificant.
B、meaningful.
C、well-protected.
D、expansive.
答案
A
解析
语义题。定位至第三段末句。之前两句介绍了永久性森林地产的管理情况,由此可以知道管理完善的地区所占比例甚小,因此[A]符合本处语境,故为答案。[B]与前面内容以及第三段末句句首But表达的含义矛盾,排除;这里谈论的是面积问题,[C]无依据;第三段倒数第二句中的extensive意为“广泛的”,与[D]中的expansive“广阔的”词形相近,但[D]与[B]一样,与该处语境矛盾。
转载请注明原文地址:https://www.kaotiyun.com/show/bbLK777K
0
专业英语四级
相关试题推荐
InAmerica,olderpeoplerarelylivewiththeiradultchildren.Butinmanyothercultureschildrenareexpectedtocare【C1】____
Whichofthefollowingfosteredthegreatexpansionofformalschooling?
TheMastersofBusinessAdministration(MBA),thebestknownbusinessschoollabel,isanintroductiontogeneralmanagement.Th
IseethisprincipalalloverasIgothroughmyday.Iseerimsoncarwheelsthatcostupwardsof$500,justforalittlebit
IseethisprincipalalloverasIgothroughmyday.Iseerimsoncarwheelsthatcostupwardsof$500,justforalittlebit
Weinsistthatstudentsshouldgiveatruthfulanswer______withtherealityoftheirworld.
Thedesegregationwasachievedthroughanumberofstruggles,_____havebeenmentionedinpreviouschapters.
Whatarethepossiblerelationshipbetweenthemanandthewoman?
Asweallknow,thickforestsarethenatural______forbirds,animalsandinsects,andwemustforbidcuttingtreeswithoutany
Weconsider______heshouldhaveleftwithouttellinganyonebeforehand.
随机试题
(2012年)根据利率的风险结构理论,各种债权工具的流动性之所以不同,是因为在价格一定的情况下,它们的()不同。
道路坡度i是指以坡的_______与其_______之比的百分率。
磷脂酰肌醇一4.5一二磷酸可被下列哪一种酶水解成甘油二酯和1,4,5一三磷酸肌醇
某男性患者,55岁,为搬运工,搬运物体时经常发生胸骨后压榨样疼痛,持续数分钟,搬运休息后缓解,有时左肩背部也有疼痛。诊断为稳定型心绞痛。药师应提示患者上述药物的给药方法为
甲女夜晚回家发现家中一片狼藉,意识到家中被盗,便立即报警。派出所派张三、李四二位便衣警察迅速到现场查看。恰逢甲女之夫乙男在此之前到家,见到家中被盗的景象,又闻门外有脚步声,以为是窃贼返回,便拿起一根木棍藏在门后,待张、李二人进门,举棍便打。在张三遭到棍击后
摄影术的发明就是基于生活本身的需要,生活是摄影诞生的原点,是摄影创作永恒的主题。摄影_丁作者也要坚持“镜头朝下”原则,倘若脱离生活,就会使作品缺乏恒久的生命力。但是这并不意味着原原本本地照搬生活,而是要体现出创作者的思想,融入创作者的思考。倡导“镜头朝下”
4,3,8,6,12,12,( )
Theprodigalsonspenthismoneyextravagantlyandsoonafterhelefthome,hewasreducedtoabeggar.
设a=5,b=10,执行语句c=Int((b—a)*Rnd+a)+1后,c中数值的范围是()。
TravelmedicineinBritainisThemaininterestoftravelcompaniesdealingwithtravelmedicineisto
最新回复
(
0
)