We've been talking about the decline of coral reefs in tropical areas all over the world—how natural and man-made stresses are causing them to degrade or in some cases, to die.
我们之前提到了世界各地热带地区中珊瑚礁的衰落，即自然和人为（造成的）压力是怎样造成珊瑚礁退化，或者甚至在某些情况下，造成它们死亡的。
Located in tropical areas at low altitudes, savannas are stable ecosystems, some wet and some dry consisting of vast grasslands with scattered trees or shrubs.
"热带稀树草原位于热带地区，海拔较低，是一种稳定的生态系统，由广阔的草地和稀疏分布其中的树木或灌木组成，有些地区湿润，有些地区干燥。
Gum trees grow in tropical areas.
产树胶的树生长在热带地区。
This disease is widespread in tropical areas.
这种疾病在热带地区蔓延很广。
In tropical areas, larger plots have proved more useful due to greater heterogeneity of the forest.
在热带地区，由于森林的异质性较大，已证实大一些的样地更有效。
Thus, coconut interplanted with pineapple is one of the optimum cultural patterns in tropical areas.
椰子-菠萝复合经营是一种结构合理、生产力较高的热带经济作物优化栽培模式。
The virus is endemic in tropical areas of Africa and Latin America, with a combined population of over 900 million people.
该病毒在非洲和拉丁美洲热带地区流行，加起来涉及逾9亿人口。
The research on war injuries in tropical areas is an important subject to be urgently dealt with at present in Chinese military medicine.
热带地区战创伤救治研究是当前我军军事医学领域亟待研究的重大课题。
The most active areas of pandemic influenza virus transmission are currently in tropical areas, primarily in parts of the Caribbean and Southeast Asia.
热带地区，主要是加勒比和东南亚部分地区，是目前大流行性流感病毒传播最活跃的地区。
In tropical areas, therefore, building with bamboo makesbetter economic sense than building with steel or concrete, except where landvalues are high.
因此在热带地区，用竹子建筑成为更经济的做法比起用钢或者混凝土进行建筑，除了土地价值非常高的地方。
Tapirs are found in tropical areas in Central and South America and in Asia. They live in forested or grassy places near water. Tapirs are good swimmers.
貘遍布于中美洲与南美洲和亚洲的热带丛林里。他们生活在附近有水的森林或绿草覆盖的地方。貘是游泳高手。
Rattan is valuable non - wood product in tropical areas, it has characters of pliable and tough, bending resistance, is main material of weaving and furniture making.
棕榈藤是热带地区宝贵的非本质林产品，其柔韧、抗拉和抗弯等特点使其成为编织和制作藤制品家具的主要原料。
The Rainforest Alliance, an international nonprofit, works with farmers and producers in tropical areas to ensure they are practicing environmentally sustainable and socially just methods.
雨林联盟是一个国际化的公益性组织，他们和热带地区的农民和生产者一起工作，以确保他们使用环境可承受并有利于社会公义的方式。
Coconut interplanted with pineapple was proved to be one of optimum cultivation patterns with higher biomass productivity and effective USES of environment resources in tropical areas.
椰子-菠萝复合经营是一种生产力较高、资源利用率较好的热带作物优化栽培模式。
Properly speaking, tropical rainforests grow in high-rainfall equatorial areas that remain wet or humid all year round.
准确地说，热带雨林生长在高降雨量的赤道地区，这些地区全年保持湿润。
Many are found in tropical and subtropical areas of the world, where the accumulation of high concentrations of metals may afford some protection against plant-eating insects and microbial pathogens.
许多超富集植物被发现于热带地区和亚热带地区，在那里，高浓度金属元素的积累可以为植物提供保护来对抗以植物为食的昆虫和细菌病原体。
Australia's Coral Sea, near the Great Barrier Reef, is one of the last remaining tropical wilderness areas in the world.
在澳洲的珊瑚海大堡礁的附近，还残存着这世界上仅剩的热带野生动物活动区域之一。
Extensive areas of grassland in the upper tropical Andes, South America, have already been planted with pine trees, paid for by carbon credit schemes.
南美洲上热带安第斯山脉广阔的草原地区种植了松树，已经为碳信贷计划付出了代价。
Malaria, a common and life-threatening disease, is a risk in tropical and subtropical areas of over 100 countries.
疟疾是一种可危及生命的常见病，在热带和亚热带地区的100多个国家中存在发生疟疾的风险。
There is a 90 percent probability that by 2100 the minimum temperatures in the tropics and sub-tropical regions will be higher than the maximums so far recorded in those areas.
到2100年，热带和亚热带地区的最低温度将超过这些地区迄今为止出现过的最高温度，出现这一变化的可能性达到90%。
They nest in tropical and sub-tropical areas, including along beaches in North Carolina and southward, and the Gulf of Mexico.
它们在热带和亚热带地区筑巢，包括沿北卡罗莱纳州和以南的沙滩，以及墨西哥湾。
Dengue is found in tropical and sub-tropical climates worldwide, mostly in urban and semi-urban areas.
登革热发生在全球热带和亚热带气候地区，多在城市和半城市地区。
Much human habitation in southern Europe, north Africa, the Middle East and other sub-tropical areas is rendered unviable due to excessive heat and drought.
大部分位于南欧、北非、中东以及其他亚热带地区的人类居住地将由于过度炎热和干旱而变得不再适宜居住。
Schistosomiais is prevalent in tropical and sub-tropical areas, especially in poor communities without access to safe drinking water and adequate sanitation.
血吸虫病流行于热带和亚热带地区，在无法获得安全饮水和缺乏适当环卫设施的贫穷社区尤为严重。
Rice is the most important cereal in many tropical and sub - tropical areas.
在很多热带和亚热带地区，水稻是最主要的谷类作物。
The yellow fever virus is constantly present in mosquitos and non-human primates in some tropical areas of Africa and the Americas.
黄热病病毒持续存在于非洲和美洲某些热带地区的蚊子和非人灵长类动物中。
Lush, tropical terrain in some parts and wind swept, barren ranges in other areas.
在其他领域郁郁葱葱，在一些热带地区的地形及风席卷，贫瘠的范围。
Lush, tropical terrain in some parts and wind swept, barren ranges in other areas.
在其他领域郁郁葱葱，在一些热带地区的地形及风席卷，贫瘠的范围。
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