1) foreign species
国外物种
1.
More than 3400 species of higher plants have been introduced during the past 70 years (including many foreign species).
70余年来,共引种栽培高等植物3400余种(含大量的国外物种)。
3) international seed industry
国外种业
4) exotic tree
国外树种
1.
The introduction of exotic tree is one of very important ways for collection and conservation of tree species germplasm resources and enriching genetic diversity of forest.
国外树种引种是收集保存林木种质资源和丰富森林遗传多样性的重要途径之一。
5) foreign germplasms
国外种质
1.
05 million hectares altogether, the genetic contribution rate of foreign germplasms was 13/32.
20世纪80年代以来,菏泽市农业科学研究所以Williams、Clark63、索尔夫等国外种质作亲本,杂交育成菏7308、菏84 1、菏84 5等8个大豆新品种,已累计推广105万hm2,国外亲本遗传贡献率为13/32。
6) exotic species
外来物种
1.
Effect of exotic species Mytilopsis sallei on macrozoobenthos in the Maluan Bay,Xiamen in China;
外来物种沙筛贝对厦门马銮湾大型底栖动物的影响
2.
Metapopulation model of multispecies competitive coexistence given exotic species invasion
外来物种入侵后的多物种竞争共存的集合种群模型
3.
This paper points out that the aggression of exotic species quickens the forfeiture of the living thing’s varieties, and destroys the ecosystem, and threatens human's health, and causes great loss of the economy, so it brings the side effect to the sustainable development and the human society.
指出了外来物种入侵加快了生物多样性的丧失、破坏了生态系统、造成了巨大的经济损失并危害人类健康,给人类社会的可持续发展造成了严重的负面影响,并提出了减轻外来物种入侵的措施。
补充资料:濒危物种
处于危亡状态的物种。如大熊猫、白鳍豚、朱fe64、银杉、珙桐等。数量稀少,地理分布狭窄。其绝灭趋势除与自然灾害有关外,主要是受人类活动的影响,如不合理的土地利用、森林破坏、水体污染等。其种类仍在不断增加。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条