نتایج جستجو برای: niche
تعداد نتایج: 21602 فیلتر نتایج به سال:
This study developed niche models for the native ranges of Oreochromis andersonii, O. mortimeri, and O. mossambicus, and assessed how much of their range is climatically suitable for the establishment of O. niloticus, and then reviewed the conservation implications for indigenous congenerics as a result of overlap with O. niloticus based on documented congeneric interactions. The predicted pote...
Though discovered later than osteoblastic niche, vascular niche has been regarded as an alternative indispensable niche operating regulation on hematopoietic stem cells (HSCs). As significant progresses gained on this type niche, it is gradually clear that the main work of vascular niche is undertaking to support hematopoiesis. However, compared to what have been defined in the mechanisms throu...
Niche cells exercise elaborate control over the behavior of many tissue-specific stem cells. However, in no system do we fully understand how niche cells are specified, develop and then begin producing the signals necessary to properly regulate stem cells. Here, we take advantage of the paradigmatic stem cell-niche system of the Drosophila testis to address these fundamental questions. We first...
E-mail: [email protected] Abstract Ecology is often said to lack general theories sufficiently predictive for applications. Here, we examine the concept of a periodic table of niches and feasibility of niche classification schemes from functional trait and performance data. Niche differences and their influence on ecological patterns and processes could be revealed effectively by first perf...
Ecology is often said to lack general theories sufficiently predictive for applications. Here, we examine the concept of a periodic table of niches and feasibility of niche classification schemes from functional trait and performance data. Niche differences and their influence on ecological patterns and processes could be revealed effectively by first performing data reduction/ordination analys...
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