Together with predation, it is the most important density-dependent factor in regulating population growth.
在调节种群增长方面,它与捕食一起是最重要的密度制约因子。
Of the two plausible explanations for the decline—increased predation by killer whales or disease—disease is the more likely.
对于鲸鱼数量的下降,有两种可能的解释——虎鲸捕食或疾病的增加——疾病的可能性更大。
It is difficult to understand how reduced predation would lead to sudden increases in Acanthaster numbers in several places at the same time in specific years.
很难理解捕食减少是如何导致在特定年份的同一时间内,几个地方的棘冠海星数量突然增加。
In particular, lobster larvae take less time to reach the size at which they are no longer vulnerable to predation by young cod, the chief threat to their survival.
特别是,龙虾幼虫需要更短的时间才能长到不再容易受到幼鳕鱼捕食的大小,幼鳕鱼是它们生存的主要威胁。
Predation is even trickier to uncover when goods are sold together.
当商品一起销售时,掠夺行为将会更难发现。
As with other forms of predation, however, their chances of success are limited.
不过,与其他形式的掠夺行为相比,战斗品牌成功的机会是有限的。
He also engages other nations cooperatively as opposed to Washington's global predation.
他还从事其他国家的合作,而不是华盛顿的全球捕食。
And Socrates' answer is, of course, the predation of poetry and the arts in Books II and III.
苏格拉底的回答是,当然,见第,II,与,III,册中,对诗学与艺术的描述。
Now a new NZ chapter focuses on predation problems of the species introduced to that country.
现下一新纽西兰章著重于引进到那个国家的物种的捕食问题。
The importance of predation as an exploitation strategy may be summarized under four main categories.
捕食作用作为一种掠夺性的对策其重要意义可归纳为四个主要方面。
The importance of predation as an exploitation strategy may be summarized under four main categories.
作用作为一种掠夺性的对策其重要意义可归纳为四个主要方面。
The importance of predation as an exploitation strategy may be summarized under four main categories .
捕食作用作为一种掠夺性的对策其重要意义可归纳为四个主要方面。
The greatest predation was the deforestation of Haiti, so that only 2 percent of the country is forested today.
最严重的掠夺行为是采伐森林,导致如今海地的森林覆盖率只有2%。
Thanasimus dubius larvae preyed all young stages of the beetle inside logs, recorded predation rate of 8.3%.
疑山郭公虫幼虫可以捕食木段内纵坑切梢小蠹幼期各虫态,捕食率为8.3%。
Thus, in addition to the old and infirm by Wolf predation, other deer body growing, number is rapidly growing.
这样一来,除了那些老弱病残者被狼捕食外,其它鹿的体质日益增强,数量也迅速地增长着。
Well, ongoing investigations have revealed that predation is the most likely cause of sea otter decline after all.
目前的研究表明天敌捕食是最可能导致海獭数量减少的原因。
There are as well as density-dependent biological factors such as disease, predation, and intraspecific competition .
还有密度制约的生物因素,诸如病害、捕食和种内竞争等。
Predation is the most common cause of death in small mammals. It also causes the greatest modification on their remains.
捕食是小哺乳动物死亡最常见的原因,也导致被捕食动物遗骸发生明显改变。
And third, the uneven pattern of otter decline is better explained by the orca predation theory than by the pollution theory.
第三,海獭数量变化的不均衡性恰好表明了逆戟鲸捕食理论比污染理论更合理。
The seabirds there have no defences against predation, so the mouse simply walks into their nests and starts eating the chicks alive.
那儿的海鸟对动物的掠食行为毫无防备,所以老鼠们轻而易举地就走进了海鸟的巢穴并开始进食它们的幼崽。
Though the panda is often assumed to be docile, it has been known to attack humans, presumably out of irritation rather than predation.
尽管大熊猫通常被人们认为性格温顺,但据说也攻击人类,不是为捕食而是被激怒了。
Also, the competitors and predators of a species often don't reach an island, but competition and predation in the deep sea can be intense.
竞争者和动物天敌通常也不会到达这个小岛,但是深海的竞争和掠食却很猛烈。
"Addiction" provides only a pallid and imprecise analogy for the human relationship to war; parasitism — or even predation — is more to the point.
如果用来比喻人类与战争的关系,“上瘾”显得那么的苍白无力,也有失准确,“寄生”要更加切中要害一些,甚至说成“掠夺”也不为过。
The effects of predation risk in small mammals are mainly include: changes of behavior, activation of the neural circuit and variation of the endocrine.
捕食风险对小型哺乳动物的影响主要包括行为的改变、神经环路的激活和内分泌的变化。
The researchers then examined the relationship between the stripe patterns and 29 environmental variables, including climate to predation to biting flies.
他们然后还研究了这些条纹图案与29种环境变量之间的关系,包括气候、捕食和苍蝇叮咬等。
In the same temperature treatment, the higher of prey density was, the larger of predation number was found and the lower of finding efficiency was observed.
在同一温度下,六斑月瓢虫的捕食量随着猎物密度的增加而增大,寻找效应随着猎物密度的增加而降低。
The study presents the first evidence of raptor predation on fossil primates from Rusinga, which was part of the side of a large volcano 20 million years ago.
这项研究的第一项证据就是鲁辛加岛上的灵长类化石,两千万年前,鲁辛加岛是一个大火山的一部分。
He believes greed is an illegitimate and morally disgusting motive for anything: “The market is intrinsically repugnant…Every market . . .is a system of predation.”
他认为无论如何,贪欲都是一种非法的、道德败坏的动机:“市场在本质上是令人厌恶的…每个市场都如此…这是一种掠夺性的体系。”
He believes greed is an illegitimate and morally disgusting motive for anything: “The market is intrinsically repugnant…Every market . . .is a system of predation.”
他认为无论如何,贪欲都是一种非法的、道德败坏的动机:“市场在本质上是令人厌恶的…每个市场都如此…这是一种掠夺性的体系。”
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