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
过去 24 小时
时间不限
过去 1 小时
过去 7 天
过去 30 天
按相关度排序
按时间排序
4 小时
《科学》(20250307出版)一周论文导读
▲摘要: 众多昆虫群体的数量下降已被记录下来,并且,这一情况的潜在后果是严重的。蝴蝶是最广受调查的昆虫类群,然而对其的分析往往受限于地理范围或依赖于单一监测项目的数据。利用来自35个监测项目的超过76000次调查中记录的1260万只蝴蝶的数据,我们描绘了美国本土蝴蝶总体及特定物种的丰度趋势。
一些您可能无法访问的结果已被隐去。
显示无法访问的结果
今日热点
Unveils stopgap funding bill
Tony! Toni! Toné! singer dies
RU strikes kill at least 20
Judge won't block DOGE
Released from prison
Giants re-sign QB DeVito
Complaint against Ed Martin
Secret mission shuttle lands
Hinds leaves Mastodon
AI Siri assistant delayed
US Army gets AI systems
More career officials ousted
Retaliatory tariffs on Canada
Cadillac F1 team confirmed
On Kennedy Center board
Egg prices under DOJ probe
Plans vaccines, autism study
US vetoes G7 plan
Brush fires on Long Island
Polygraphing staff for leaks
Rejects nuclear talks with US
FIFA World Cup task force
Postpones 2 space missions
NJ police officer killed
Limits loan forgiveness
Daylight saving time starts
Chiefs WR Worthy arrested
Recalling over 177K SUVs
China to pay MO $24 billion
Panama releases deportees
Employees get buyout offer
Adebayo fined $50K by NBA
Golf property vandalized
反馈