The US Fish and Wildlife Service said that nearly a billion monarchs have disappeared from overwintering sites since 1990.
美国鱼类和野生动物管理局表示，自1990年来，近十亿只帝王蝶在越冬地点消失了。
Many overwintering organisms produce antifreeze proteins that can be adsorbed onto the surface of ice crystals and modify their growth.
很多越冬的生物会产生抗冻蛋白，这些抗冻蛋白能够吸附到冰晶的表面改变冰晶形态并抑制冰晶的生长。
Consequently, the low winter temperature is the key factor confining the distribution and overwintering population base of this insect pest.
冬季低温是限制柑桔潜叶蛾分布和决定越冬虫口基数的关键因子。
Many overwintering organisms produce antifreeze proteins (AFPs) that can be adsorbed onto the surface of ice crystals and modify their growth.
很多越冬的生物会产生抗冻蛋白，这些抗冻蛋白能够吸附到冰晶的表面改变冰晶形态并抑制冰晶的生长。
Helophyte a perennial marsh plant that has its overwintering buds under water.
沼生植物：多年生的沼泽植物，具有水下越冬芽。
The main function of the downiness of Hippophae mainly is to protect the buds overwintering.
沙棘表皮毛的主要功能是保护冬芽越冬。
There is a significant correlation between dry leaves yield and overwintering survival rate.
宿根干叶产量与越冬率呈极显著正相关。
Helophyte a perennial marsh plant that has its overwintering buds under water. An example is bulrush (Typha).
沼生植物：多年生的沼泽植物，具有水下越冬芽。例如芦苇(香蒲)。
The strong overwintering branches were good cutting materials and early summer was optimum season for raising...
健壮之越冬枝条是三角梅理想的扦插材料，初夏扦插育苗效果较好。
The result showing that the overwintering death of black currant is related to the variety's own characteristics.
结果表明，黑穗醋栗越冬死亡和其品种自身特性有关。
In this condition the overwintering larva survived with very high percentage and became the first source in coming year.
在这种情况下越冬幼虫存活率高，成为下一年的虫源。
The number of total stems of winter wheat reached the highest before overwintering stage and declined after overwintering.
冬小麦的总茎数各品种均在越冬前达最大值，越冬后呈下降趋势。
The distribution patterns of diseased plants seriousness in overwintering period and flowering stage were of aggregation distribution.
病级分布在越冬期和盛花期均为聚集分布。
The invention discloses a thermal insulation flowerpot which aims at providing a flowerpot convenient for flowers and plants overwintering.
本发明公开了保温花盆，目的在于提供便于花草越冬的花盆。
The nutrient composition in the whole body of Rana catesbiana at different growth and developmental stages after overwintering was analysed.
对越冬后牛蛙各生育阶段的整体营养成份进行了分析。
In this paper the regularity of free water in shoot of young apple trees with different treatments was determined during the overwintering period.
研究了苹果幼树越冬期间不同处理枝条自由水含量的变化规律。
The result of the study has shown that the method in this paper can forecast accurately the spawning time of corn borer of overwintering generations.
研究结果表明，其方法可以准确地预测越冬代玉米螟的产卵期。
So there is a substance system including "low molecular weight sugars-amino acid-glycoprotein" which enhances cold hardiness for overwintering larvae.
越冬幼虫以“小分子糖—氨基酸—糖蛋白”物质系统形成抗寒基质，增强耐寒性。
The overwintering stage of Parocneria furva (Leech) in Hengyang, Hunan Province, is reported and its overwintering stages in other areas of China are discussed.
记述了侧柏毒蛾在湖南省衡阳地区的越冬虫态，并对该虫在我国其他地区的越冬虫态进行了探讨。
In the later stage of overwintering, the descending of glycogen developed slowly, the content of free water increased a little, and the content of fat descended acutely.
越冬后期，糖原含量减少趋势变缓，脂肪含量大幅度下降，自由水含量略有增加。
The results of studying for life table indicated the deaths of eggs and primary hatching larvae and diapause of overwintering larvae are key-factors of population change.
通过生命表研究看出：卵、初孵幼虫死亡及越冬后滞育是种群变动的关键因子。
The results have shown that it is effective by spraying Oil-Smoke agent in the beginning of serous emerging year or using the Beauveria bassiana to control the overwintering larvae in normal year.
林间防治试验表明，在大发生初期采用油烟剂防治，在一般发生年份应用白僵菌防治越冬幼虫均有良好效果。
The results have shown that it is effective by spraying Oil-Smoke agent in the beginning of serous emerging year or using the Beauveria bassiana to control the overwintering larvae in normal year.
林间防治试验表明，在大发生初期采用油烟剂防治，在一般发生年份应用白僵菌防治越冬幼虫均有良好效果。
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