Costco understands that the honey bee population is declining and that these bees are necessary for approximately one-third of the pollination of the food we consume, including many fruits, nuts and vegetables.
Its population, estimated at about 1,800 in 2006, has been declining by more than 5% annually since the 1980s and it has been assessed as Critically Endangered.
Temperate regions are not at that optimal temperature, so if the temperature increases there, populations will grow faster,” says Merrill, an ecologist who studies plant-crop interactions.
Temperate regions are not at that optimal temperature, so if the temperature increases there, populations will grow faster," said Merrill, an ecologist who studies plant-crop interactions.
The California condor population fell to an all-time low of 22 individuals in 1982, but captive-breeding and monitoring programmes have brought it back up to nearly 400 birds.
Populations of common Western European farmland birds dropped by 57 per cent between 1980 and 2003, with much of the decline attributed to the intensification of agriculture.
At Monteverde, Costa Rica, populations of Anolis tropidolepis and Anolis altae were diminishing by 4.4% and 3.1% per year, respectively, for 11 and 13 y before both species became locally extinct.
You might not notice it while hiking through the woods or strolling through a city park, but according to a new study, bird populations across North America are in a state of quiet freefall.
過去50年間に、受粉に依存する農業生産の量は300%増加したが、同時に蜂の個体数は急落した。
In the past 50 years, the volume of agricultural production dependent on pollination has risen by 300%, yet at the same time bee populations have plunged.
The population of Japanese monkeys in Fukushima City had been systematically managed since 2008 according to a management plan based on law and regulated by Fukushima Prefecture to reduce damage to agricultural crops.
The population in the Ruaha-Rungwa ecosystem declined from 31,625 to 20,090 during the same period, making it home to more elephants than any other region of Tanzania.
Now, 25% of Amur tiger habitats are under protection which, together with anti-poaching and law enforcement, has contributed to increasing the population from 350 to 430 adult cats.
Not too long ago, it looked like some species of tortoise on the islands were in danger of going extinct, but today the population is growing again thanks to conservation efforts.
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