搜索优化
English
全部
Copilot
图片
视频
地图
资讯
购物
更多
航班
旅游
酒店
搜索
笔记本
Top stories
Sports
U.S.
Local
World
Science
Technology
Entertainment
Business
More
Politics
时间不限
过去 1 小时
过去 24 小时
过去 7 天
过去 30 天
按相关度排序
按时间排序
生物通
10 天
全球荟萃分析表明,需要采取行动制止遗传多样性的丧失
研究还指出,大多数种群在研究期间受到干扰,说明人类活动对物种遗传多样性构成了直接且广泛的威胁。因此,即使是轻微的遗传多样性下降趋势,也应引起对种群恢复力和自然生态系统维持关键生态系统服务能力的担忧,需加强保护管理行动以阻止遗传侵蚀。补充个体是唯一能显著增加遗传多样性的保护管理行动,其他旨在改善环境条件和提高种群增长率的保护行动也可能有助于阻止或减少遗传多样性的损失。
当前正在显示可能无法访问的结果。
隐藏无法访问的结果
今日热点
Trump ending intel briefings
2 charged in fatal stabbing
Sues neo-Nazi group
41 killed in MX bus accident
Trump amends CBS lawsuit
Former NFL head coach dies
Makes broadcasting return
All 10 victims recovered
Quake strikes Caribbean Sea
Has no plans to buy TikTok
NIH cuts billions in funds
How to watch Super Bowl
CFPB's new acting head
Wins world downhill gold
Lebanon forms new govt.
Sentenced to time served
Head of NARA dismissed
US plans arms sale to Israel
Recall 140,000+ vehicles
NASCAR Hall of Fame 2025
Weekend winter storm
DOJ won't release names
2nd recipient of pig kidney
X faces probe in France
Sheriff deputy found guilty
Halts aid to South Africa
To settle tip theft lawsuit
Oldest rhino in the US dies
Hamas releases 3 hostages
Donut products recalled
Named FIU interim president
Drops Jake Paul fight
'Annie Hall' star dies
反馈