Flower ecologists have distinguished the wind pollinators, i.e, the anemophilous plants from the zoidogamous plants. 花生态学家把风媒传粉种,即风媒植物,同动物媒植物区别开来。
Conservation International wants to help leaders prevent crises like that one by working with leadership in countries to assign economic weight to resources they might not have previously considered, including fisheries or, say, a population of pollinators. “保护国际”组织希望帮助各国领袖预防这类危机的发生,办法就是与各国政府合作,把先前他们可能从来没有考虑到的资源赋予经济价值,包括渔业,也包括传粉昆虫。
But since the nineteen eighties, researchers have been concerned about the health of these valuable pollinators. 但是,从二十世纪八十年代以来,研究者们一直在关注这些珍贵的花粉传播者的健康问题。
They think ozone in the air is keeping bees and other pollinators from smelling the flowers. 他们认为,空气中的臭氧阻止蜜蜂和其他授粉媒介闻到鲜花。
The worlds largest pollinators? 世界上最大的授粉者?
He directed a study, released last week by the Insect Pollinators Initiative of the United Kingdom, that compiled years of research on threats to pollinating insects. 范伯根提到了一份研究,该研究上周,由英国花粉媒虫倡议组织公布。它与多年的调查一样着眼于杀虫剂对花粉媒虫的威胁。
Fruit-and nectar-eating bats are major pollinators and seed dispersers. 摄食果实和吸食花蜜的蝙蝠是重要的传播花粉、散播种子的物种。
Through evolution, most flowers have become adapted to attract specific types of pollinators. 通过进化,大部分花朵变得适于吸引特殊种类的花粉传播者。
So now we have moved into the current rationale of protecting ecosystems because of the services that they provide humanity, whether they are clean air, clean water, pollinators, or carbon sinks. 因此,当前保护生态系统的理念,转换为它为人类所提供的服务功能,如洁净的空气,纯净的水,传授花粉,或者碳库。
A family of small solitary bees; many are valuable pollinators for agriculture. 小型孤独的蜜蜂的总合;许多是对农业有价值的花粉传播者。
In this paper, we studied the relationships between pollen histochemistry, pollen grain number, ovule number and pollinators in Phyllanthaceae. 本文研究了叶下珠科部分种类的花粉组织化学、花粉数和胚珠数,以及它们与传粉者之间的关系。
Examples of closure behavior of bi-or multi-lobed stigmas in response to being touched by animal pollinators were mainly studied in some taxa of the order Scrophulariales. 植物花的多裂片柱头在传粉者接触后迅速闭合的现象主要存在于玄参目的一些类群中。
To avoid capturing and consuming prospective pollinators, pitcher plants keep their flowers far away from their traps via long stalks. 为了避免伤害和吃掉准授花粉器,食肉植物花蕾远离陷阱,一条长茎互联互通。
The co-occurrence of the change in amount of reward and flower color enabled I.lutea to direct pollinators to visit reproductive, highly rewarding yellow flowers. 访花昆虫倾向于访问含有较高报酬的黄花,而主动避开报酬含量少的红花。
Flower ecologists have distinguished the wind pollinators, i.e. the anemophilous plants from the zoidogamous plants. Population Genetics of Different Ecological Type Sheep Breeds in the Region to the East and South of Central Asia 花生态学家把风媒传粉种,即风媒植物,同动物媒植物区别开来。中亚以东南不同生态型绵羊品种群体遗传学的研究
Her concern is that their insect pollinators won't be able to cope with the Earth's changing habitats. 她所担忧的是昆虫传播花粉的速率将无法与其栖息地变化的情况相适应。
Many studies have shown that populations of pollinators are falling, but Thomson's is the best evidence yet that plants'ability to reproduce is being affected. 许多研究已经表明授粉者种群正在减少,而汤姆森的研究是植物的繁殖能力正在变差的最好证据。
Large areas have no effective pollinators; fruit trees must be pollinated by hand. 大片区域不能进行自然授粉,果树必须要人工授粉才可以。
Many insects were pollinators before other flying animals were extant. 在其它能飞的动物出现之前,许多昆虫已经是授粉者了。
Bumblebees are their main pollinators. 大黄蜂是它们的主要传粉者。
External factors such as pollinators, fungal infection, mechanical damage, horticultural measures, light, temperature, water, mineral ions, and saccharides influence flower color. 传粉者、真菌侵染、机械损伤、园艺措施、光、温度、水分、矿质营养和糖等是影响花色的外部因素。
Sheila Conant: We used to have birds that pollinated specific species of plants, and some of those plants have become very rare because their pollinators have become extinct. 希拉•柯南特:曾经会有某些鸟类给一些植物授粉,但是当这种鸟类灭绝后这些植物也变得越来越稀少。
Its powerful smell is released over the first hours of blooming to attract the carrion beetles thought to be its pollinators. 开花初始的几小时它会散发出强烈的臭味,以吸引吃腐肉的甲壳虫,人们认为它们可为大鬼芋授粉。
They might switch pollinators if transplanted, but they stick with the same fungus species. 兰花在被移植后或许会换一个授粉者,但其坚持与同一种真菌共生。
By such ingenious adaptations to specific pollinators, or childs have avoided the hazards of rampant crossbreeding in the wild. 通过巧妙地适应具体传粉昆虫,兰花避免了在野外杂交泛滥的危险。
TYPE OBJECTS Floral characters are closely tied to pollinators and their pollination behaviors. 花冠类型与传粉者和传粉行为紧密相关。
Bumble bees and honey bees are important pollinators, but bumble bees are more efficient than honey bees for pollinating fruits and vegetables in greenhouses, which is mainly due to the different activity patterns in pollination between bumble bees and honey bees. 蜜蜂和熊蜂都是理想的授粉昆虫,但熊蜂比蜜蜂更适合为温室果菜授粉,主要由于熊蜂和蜜蜂授粉时的活动方式不同。
Treatments of emasculation and perianth removal showed that the rewards of nectar was more attractive than pollen to pollinators. 去雄和切除花被片实验表明,蜜汁较花粉作为食物报酬对访花者更具吸引力。
Both butterflies and hawkmothes are effective pollinators of two varieties, but strong differentiation in butterfly and hawkmoth species occurred to two varieties. 蝴蝶和天蛾都是2个变种的有效传粉者,它们对2个变种具有同等的传粉效率,但2个变种在传粉者的种类上产生了强烈的分化。
Except for E. sutchuenense, bumblebees were the main effective pollinators in other six species. 除了E.sutchuenense之外,其它物种都有熊蜂为主要的传粉者。