نتایج جستجو برای: nut drop under the trees
تعداد نتایج: 16195058 فیلتر نتایج به سال:
Species homogenization or floristic differentiation are two possible consequences of the fragmentation process in plant communities. Despite the few studies, it seems clear that fragments with low forest cover inserted in anthropogenic matrices are more likely to experience floristic homogenization. However, the homogenization process has two other components, genetic and functional, which have...
Woodlands provide valuable ecosystem services, and it is important to understand their dynamics. To predict the way in which these might change, we need process-based predictive ecological models, but these are necessarily very data intensive. We tested the ability of existing datasets to provide the parameters necessary to instantiate a well-used forest model (SORTIE) for a well-studied woodla...
The study of decision-making has mainly focused on isolated decisions where choices are associated with motor actions. However, problem-solving often involves considering a hierarchy of sub-decisions. In a recent study (Lorteije et al. 2015), we reported behavioral and neuronal evidence for hierarchical decision making in a task with a small decision tree. We observed a first phase of parallel ...
This paper investigates how much solar UV protection is provided by the shade of Australian trees and the anatomical distribution of personal UV exposures in the shade of these trees. Personal UV exposures in tree shade are of a high enough value to require additional UV reduction strategies. A well planned strategy using a combination of protective methods can minimize the level of exposure to...
In winter 1997 severely infested pistachio nuts were collected from orchards in Borkhar district of Isfahan to determine minimum threshold temperature and thermal constants. Minimum threshold temperatures were calculated according to rate of development or X-intercept method and the least coefficient of variation method. Thermal constants were calculated for different developmental stages in th...
Habitat suitability and the distinct mobility of species depict fundamental keys for explaining and understanding the distribution of river fishes. In recent years, comprehensive data on river hydromorphology has been mapped at spatial scales down to 100 m, potentially serving high resolution species-habitat models, e.g., for fish. However, the relative importance of specific hydromorphological...
Areca nut (Areca catechu L.) is one of the leading plantation commodities in Jambi Province which has high economic value and plays an important role as a source foreign exchange for country. plants are most widely located Betara District, West Tanjung Jabung Regency. To increase yield areca nut, it necessary to know diseases that attack percentage disease attack. It useful control nut. This st...
This year’s research focused on further evaluation of potential alternate bearing with multiple year ReTainTM treatments. After three years of treatment with ReTainTM, there does not appear to be any negative effect on yield. There was a lower reduction in PFA than was expected, but this is thought to be unrelated to multiple year treatments. Treatment of a Chandler orchard with ReTainTM was do...
BACKGROUND Inherited variability in genes that influence androgen metabolism has been associated with risk of prostate cancer. The objective of this analysis was to evaluate interactions for prostate cancer risk by using classification and regression tree (CART) models (i.e., decision trees), and to evaluate whether these interactive effects add information about prostate cancer risk prediction...
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