The species and the number of Ectomycorrhizal fungi (ECM fungi) are influenced by many environmental factors, such as soil factor, climate and season, and site factor.
土壤、气候和立地因子等环境因子影响树木外生菌根菌的种类及数量。
If the population of these other species were increased, the number of ticks acquiring the bacterium and hence the number of people contracting Lyme disease would likely decline.
如果这些其他物种的种群数量增加，蜱类捕获细菌的数量就会减少，因此感染莱姆病的人数就会减少。
This is very special and has a large number of endangered species, and as it's at the far corner of the Sea Life Centre, it often gets overlooked.
这是一个非常特殊的地方，有很多濒临灭绝的物种，而由于它位于海洋生物中心的偏远角落，所以经常被忽视。
The Amazon rain forest is home to the highest number of plant and animal species (种类) on Earth.
亚马逊雨林是地球上动植物种类最多的地方。
The estuary keeps the surrounding land rich and fertile and provides a natural habitat for a number of threatened species, including the rare la Plata dolphin.
这处河口为周边地区带来了肥沃而富饶的土地，同时也为多种濒危物种如数量稀少的拉普拉塔海豚提供了自然栖息地。
The approach accurately predicted the number of species in several well-studied groups such as mammals, fishes and birds, providing confidence in the method.
我们用这种方法精确推算了几个已经被充分研究的类群，例如哺乳动物、鱼类和鸟类，来证明这个方法的可信度。
The number and arrangement of eyes can be used to distinguish between the different species of spider.
眼睛的数量和排列方式可以用来区分不同种类的蜘蛛。
Of the few avian influenza viruses that have crossed the species barrier to infect humans, H5N1 has caused the largest number of cases of severe disease and death in humans.
在跨越物种屏障感染人类的若干禽流感病毒中，H5N1导致的人类重症病例和死亡数目最多。
Between 2000 and 2011 the number of species assessed by the IUCN grew by over 60%. This goes part way towards explaining why some groups now appear strikingly more endangered than before.
2000 - 2011年间，被IUCN评估的品种增加了60%，这能部分地解释了一些生物群体比以往更加处于危险的境地。
The landmass of Eurasia, being the largest of the continents, has produced the largest number of these species, including the family that includes sheep, goats, and cattle.
欧亚大陆上——世界上最大的大陆——哺育这类物种最多，包括涵盖绵羊、山羊和牛。
The search is daunting because of the sheer number of fungi. Researchers have amassed 480, 264 different kinds and say as many as 1.5 million species may exist.
这次搜寻的菌类数量多得让人叹为观止，研究人员收集到了480，264种不同种类并声称有多达一千五百万种菌类存在于世。
There are no bad places to look for birds in spring, but birders interested in spotting the first new arrivals and seeing the greatest number of species will check specific types of areas, including
在春天，没有地方不适合发现鸟儿，但是想要看到最早回来的候鸟或者想看到数量最多的某种鸟的鸟人们会特别注意以下几类地方
Dr Sharrock said that a number of species on the threatened list were relatively common sights in gardens and collections across the UK, including.
Sharrock先生说受威胁清单上的许多物种都是英国植物园和收集园中最常见景色的物种，包括。
They provide habitat to a number of emblematic or threatened Marine species such as turtles, whales and dugongs whose population here is the third largest in the world.
泻湖的存在给海洋濒危物种如海龟，鲸鱼等提供了栖息地，生活在这里的海牛数量居于世界第三位。
Biologists have been looking for ways to determine the most important species based on the number of feeding-related interactions, and surprisingly the Google search algorithm is playing a part.
生物学家正在想方设法，通过捕食关系的多寡来确定哪些物种更加稀缺，方法之一就是Google的搜索算法。
The number of species on the planet that have been documented by scientists has risen to 1.9 million, according to the world's most comprehensive catalogue of plants and animals.
据世界上最全面的动植物名录显示，科学家已记录在册的地球物种已增加到190万种。
Between 2000 and 2011 the number of species assessed by the IUCN grew by over 60%.
在2000到2001年间，IUCN评估的物种数量增长超过60%。
Those interviewed spoke of a change in the range of species of mammals (moose and beaver) as well as a decrease in the number of some bird species (ptarmigan).
这次采访中也提到，哺乳动物(麋鹿和海狸)的种群范围正在减小，同样某些鸟类的种群(如松鸡)的数量也在减少。
In as little as three generations, the current pace of extinction could dramatically and permanently alter the number of species on the planet, the study said.
这项研究表明，在今后短短三代人的时间内，以目前的灭绝速度足够可以显著和永久地改变地球上物种的数量。
The investigation and evaluation to the resource of snakes in there found that the number of many species are reducing.
并对该保护区的蛇类资源进行了调查评估，发现许多蛇类数量有所减少。
Results find large number of the acarid and was authenticated to have17blank filling up the blank of acarid species category of the xian-xianyang international airport.
结果从体外分检出大量的螨类，经鉴定有17种，以革螨为主，填补了西安咸阳国际机场口岸螨类种类名录的空白。
The number of weed species occurred and population size of each weed species depended directly on the management of the turf, whereas the turf location played the secondary effects on the weeds.
其中，地理位置是草坪杂草分布差异的间接原因，杂草种类的多少及每种杂草的数量与管理水平有直接的关系。
It is necessary to simulate the high enthalpy, high pressure, Mach number and the same concentration of oxygen species as air in hypersonic flight.
地面实验设备必须要模拟高超音速飞行状态下气流的焓、压力、M数和空气中氧气的组分。
Those interviewed spoke of a change in the range of species of mammals (moose and beaver) as well as a decrease in the number of some bird species (ptarmigan).
受访者提到哺乳动物(驯鹿和海狸)种群范围的变化，也提到某些鸟类(松鸡)数量下降。
"The number of species that have gone extinct in the last century would have taken... between 800 and 10,000 years to disappear," the study reported.
研究表明：“上个世纪灭绝的物种数量本应该用800年到10,000年的时间才会消失的。”
Radiation from a nearby nova is believed to have sparked rampant mutation among the animal life of Kintan, and has resulted in the Nikto species encompassing a number of distinct sub-races.
据信，一颗邻近新星的辐射，使得金坦星的动物激烈变异，导致尼克托人演生出众多各异的亚种。
She found the number of species is dwindling and some species are dwarfing due to selection pressure because only the smallest flowers remain unpicked.
她发现那些种类在缩小和矮化病其原因在选择的压力因为只有很小的花保留未摘。
She found the number of species is dwindling and some species are dwarfing due to selection pressure because only the smallest flowers remain unpicked.
她发现那些种类在缩小和矮化病其原因在选择的压力因为只有很小的花保留未摘。
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