>>> 哲学 经济学 法学 教育学 文学 历史学 理学 工学 农学 医学 军事学 管理学 旅游学 文化学 特色库
搜索结果: 1-15 共查到Life history相关记录18条 . 查询时间(0.114 秒)
In the past 100 years since the birth of fisheries oceanography, research on the early life history of fishes, particularly the larval stage, has been extensive, and much progress has been made in ide...
In the Czech Republic, A. nebulosus occurs in coniferous, deciduous as well as in mixed forests, in lowland forests and even on forest-steppe habitats. Larvae occur mainly on Picea sp., Pinus sp. and ...
Notes on the life history of Prospaltella perniciosi Tower: (b) Th External anatomy of the squash bug, Anasa tristis DeG. (c) A New hymenopterous parasite on Aspidiotus perniciosus Comst. (d) Th M...
The PowerPoint presentation of a plenary address given at the International Congress of Historical Linguistics at Montreal on August 6, 2007. The paper develops a general characterization of sequences...
This study identifies early, postmetamorphic soft-shell clams, Mya arenaria, as the life-history stage most susceptible to effects of blooms of paralytic shellfish poisoning (PSP) toxin–producing Ale...
Strong genetic change over short spatial scales is surprising among marine species with high dispersal potential. Concordant breaks among several species signals a role for geographic barriers to d...
Education Now and Babies Later (ENABL), a statewide adolescent pregnancy prevention initiative, was inaugurated in California in June 1992. Developed by the state's Office of Family Planning, ENABL ut...
In Nara Park, population density of conserved sika deer has been very high for several hundreds of years. This caused vegetation simplification to toxic and unpalatable plants. The andromeda lace bug,...
The architecture of a grass population is determined by the spatial distribution and morphology of tillers. The demographic and phase changes of tillers were compared between an annual-like (Progrow) ...
Behavioral studies of coral-reef fishes have provided many insights into the ecological and evolutionary processes occurring in the marine environment. Work with herbivorous species has proven especi...
The Life History of the Normal Denture.
The life history parameters were studied for a western isolate of Bactericera cockerelli (Sulc) from a southern Arizona commercial tomato greenhouse (AZ - 06) during 2006. Life history parameter...
The developmental time, survival rate and reproduction of the cabbage aphid, Brevicoryne brassicae (L.) (Homoptera, Aphididae), were evaluated on detached cabbage leaves (Brassicae oleracea var. capit...
Life history traits of hogfish, a hermaphroditic reef fish, varied between samples from the Florida Keys (south Florida) and the eastern Gulf of Mexico (eastern gulf). Differences in female survivors...
We analyzed distribution patterns and life history traits in 14 natural Daphnia hyalina populations. The populations at shallower depths during the day began reproduction at a smaller size and showed ...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...