| 单词 | 越冬 |
| 释义 | 越冬 The animals are “ highly efficient and cost-effective”, Laidre says, and they always return to the same wintering ground, so there is a geographical consistency in the data they record. The food is stored during the winter in a swollen underground toot or stem. Endangered Florida manatee at the Three Sisters Spring wintering site, Crystal River, Florida. Some five million hectares of winter crops are estimated to have been lost or damaged, and the areas planted in spring crops have been reduced substantially. And when winter comes, they all fly south to the Mediterranean. Potassium ions help activate some80 enzymes in plants, enabling them to fight disease, survive winters, carry out photosynthesis and, thus, improve crop yields. The first over- wintering of soybean rust was identified near Dade City, Florida, on February23. Objective: Compare effective components of summer and winter fruits of acer saccharum. Autumn came. We worked together to store some food for the winter. Though the food was not abundant, we still felt content and happy. Turkey, however, has historically been an important breeding or wintering location, and the loss of suitable habitat there can affect species's total health. If salmon are a coastal bear's primary fat and protein source, a successful female can feast on salmon to store more fat for winter, potentially increasing the number of cubs she can produce. Had the redstarts relied on internal cues alone to schedule their spring departure, they would have all left their winter territories at the same time each year. Frost, if severe and long enough, kills exposed aphids, but enhances development of overwintering eggs. And so for a stink bug or for a brown marmorated stink bug I should say, your home is actually an ideal spot. Both are designated primarily for migrating and wintering birds. In order that the crops in open field could survive safely the winter frost prevention operation is of paramount importance. Biologists found no evidence of any dramatic changes on either the breeding or wintering grounds. Blood lily is fairly hardy in warmer areas and can be over- wintered with a layer of mulch in the garden. Early one Saturday morning Ochkhuu, Norvoo, and their kids returned to the country for a weekend at Norvoo's parents' home to prepare their farm for winter. About70 Chinese mergansers choose to spend winter here. The refuge contains the largest wintering population of elk in the world. It had an estimated seven thousand elk this season. This new research shows that changes in rainfall on the tropical wintering grounds could be equally disruptive. The life expectancy of entire colonies dropped below200 days, making it difficult for honeybees to last through winter. Large quantity of pathogen of the autumn seedlings will increase the pathogen quantity in over- wintering seedlings. |
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