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- Wild populations of trees usually carry a large "genetic load". 树木的野生群体往往具有大量的“遗传负荷。”
- But wild populations have been reduced by too much harvesting. 但是野生的由于过度收割已经减少了。
- However, just removing hatchery fish may not ensure the survival of wild populations. 但是,仅仅取消孵化场鱼类可能无法确保野生鱼类种群的存活。
- "What happens to wild populations when they interbreed with hatchery fish still remains an open question," Blouin said. Blouin说:“野生鱼类与孵化场鱼类杂交后发生了哪些变化仍然是一个尚未解决的问题。
- Similar principles underlie the evolution of new body forms in completely wild populations of stickleback fish. 从完全野生的族群演化出新体形的棘鱼,也是透过类似的原则。
- A white-flowered form was introduced to China; wild populations most often have red or reddish purple flowers. 一个白色的花的类型引进到中国栽培;野生种群最通常有红色的或带红色的紫色的花。
- But wight wild populations have been reduce reduced by too much havestharvesting. 但是野生的数量已经因为采摘而锐减。
- The researchers say there has already been a collapse in wild populations of almost one-third of currently fished seafoods. 研究说,大约有当前捕获量的三分之一海鲜已经在野生世界里灭绝。
- The researchers say there has already been a collapse in wild populations of almost one-third of the currently fished seafoods. 研究人员表明已经有三分之一的野生的海产匮乏了。
- A parakeet(Melopsittacus undulatus)native to Australia and having green,yellow,or blue plumage.It is a popular cage bird bred in a variety of colors not found in wild populations. 虎皮鹦鹉一种长尾鹦鹉(虎皮鹦鹉)属原产于澳大利亚,有绿色,黄色或蓝色的羽衣。
- It is suggested that genetic diversity of C. aciculatus in subtropics of China is abundant because of the great variation observed in the wild populations. 结果也表明竹节草不同居群的抗旱性差异较大,说明我国亚热带地区竹节草野生种质资源具有较丰富的遗传多样性。
- These 30 Australian beekeepers are being taught how to search for a parasite called the varroa mite, which has wiped out many commercial and wild populations around the world. 30位澳洲养蜂者被教导,要如何找出称为蟹螨的寄生虫,这种寄生虫已经遍及全球。
- RAPD Analysis on Genetic Diversity of Wild Population of Lespedeza Michx. 胡枝子属植物野生居群遗传多样性RAPD分析。
- A parakeet(Melopsittacus undulatus) native to Australia and having green,yellow,or blue plumage. It is a popular cage bird bred in a variety of colors not found in wild populations. 虎皮鹦鹉一种长尾鹦鹉(虎皮鹦鹉)属原产于澳大利亚,有绿色,黄色或蓝色的羽衣。是一种良常见的颜色样的笼养鸟,未见有野生。
- Wildlife conservation and animal temperament: causes and consequences of evolutionary change for captive, reintroduced, and wild populations McDougall, P.T., Reale, D., Sol, D. And Reader, S.M. 野生动物保护和动物性情:被捕获和再引入野生族群进化改变的因果。
- Pleasingly from an environmental point of view, the vast majority of the general public showed a willingness to change their eating habits to reduce negative impacts to wild populations. 从环保角度出发,教人惊喜的是调查显示市民普遍愿意改变饮食习惯,以减少对野生生物构成的负面影响。
- A parakeet(Melopsittacus undulatus) native to Australia and having green, yellow, or blue plumage. It is a popular cage bird bred in a variety of colors not found in wild populations. 虎皮鹦鹉一种长尾鹦鹉(虎皮鹦鹉)属原产于澳大利亚,有绿色,黄色或蓝色的羽衣。是一种良常见的颜色样的笼养鸟,未见有野生
- The results showed that apomictic frequency of Kentucky,Wabash and Fylking was 54%,65% and 48%,while of three wild populations from Sunan,Gannan and Tianzhu was 23%,5% and 12%,respectively. 指出草地早熟禾是兼性二倍体无孢子生殖,无融合生殖率因品种和来源不同而异,Wabash为65%25,Kentucky为54%25,Fylking为48%25,天祝、甘南、肃南的3个草地早熟禾野生种群的分别为23%25、12%25和5%25。
- A parakeet(Melopsittacus undulatus)native to Australia and having green, yellow, or blue plumage.It is a popular cage bird bred in a variety of colors not found in wild populations. 虎皮鹦鹉一种长尾鹦鹉(虎皮鹦鹉)属原产于澳大利亚,有绿色,黄色或蓝色的羽衣。是一种良常见的颜色样的笼养鸟,未见有野生
- Some loci were found to associate with a same trait in both populations, and there existed both consistent and inconsistent association between the culti-vated and wild populations. 部分标记在两类群体中都表现与同一性状关联, 检出的位点有一致性, 也有互补性;