Many people have heard bee populations aredeclining due to such threats as pesticides(杀虫剂).And many understand bees are important to plantpollination(授粉). Yet, according to a study led byUtah State University ecologist Joseph Wilson, few areaware of the wide diversity of bees and other poll...
【题目】Many people have heard bee populations are declining due to such threats as pesticides(杀虫剂). And many understand bees are important to plant pollination(授粉). Yet, according to a study led by Utah State University ecologist Joseph Wilson, few are aware of the wide diversity of ...
Possible top-down control of solitary bee populations by ambush predators on the assumption that predators ambushing at flowers for the arrival of pollinators are too scarce to have significant effects on population numbers. A... Miguel A. Rodríguez-Gironés - 《Behavioral Ecology》 被引量: 21发...
Bee populations have declining since 2007.The dramatic drop in the insects'numbers has serious effects for ecosystems and the farming industry.Bees are needed in the reproduction of crops and spreading wild flower species.Understanding what keeps bees buzzing could help to make sure that the insects...
Global honey bee populations are on the decrease, which puts the world's food supply under pressure(压力). But now technology could help beekeepers overcome the problem. You might think of beekeepers as completely honey producers, but they are part of a growing trade where they rent their hi...
Monitoring bee populations: are eusocial bees attracted to different colours of pan trap than other bees?BombusApisHalictidaeBoreal ecosystemsNewfoundlandDeclines in pollinator populations have made monitoring pollinators, in particular bees, increasingly important. There is general agreement among practitioners...
1【题目】2.Forseveral years the media has told us that bee populations are underthreat. In response tothis media campaign to"save thebees", raisinghoney bees has become a popular hobby. But asa species, honey bees are least in need of saving. Much mediaattention is given to honey bees ...
Many people have heard bee populations are declining due to such threats as pesticides(杀虫剂) and habitat loss. And many understand bees are critical to plant pollination. Yet, according to a study led by Utah State University ecologist Joseph Wilson, few are aware of the wide diversity of ...
Ifyou read the news about honeybee survival,it'sall very confusing. TheHoover Institution's Dr.Henry Miller notes,“Thereality is that honeybee populations are not declining.Accordingto the U.N.Food and Agriculture Organization(FAO)statistics,theworld's honeybee population rose to ...
significantly.You,however,can help increase the populations of bees,too. While bees may be attracted to flowers in your garden,using chemicals such as herbicides and pesticides can adversely impact a bee colony (群).Unknown to many,most of these pesticides will affect or kill ...