<dl>WebOct 16, 2024 · 此外,地理气候因子与种子饱满度具有显著相关性,其中,海拔、bio12-bio19与种子饱满度呈正相关,说明海拔、降雨等条件的改善有利于种子饱满度增加;经纬度、bio4和bio7与种子不饱满度夹角余弦值为正(图3),说明经纬度、 温度季节性变化和温度年 …
National Center for Biotechnology Information
Web从全球气候数据网站下载的气候数据包括年均温( bio1)、昼夜温差日均值( bio2)、等温性(bio3)、温度季节性变化的标准差( bio4)、最暖月最高温(bio5)、最冷月最低温( bio6)、年均温变化范围(bio7)、最湿季度平均温度( bio8)、最干季度平均温度(bio9)、最暖季度平均温度 ... WebApr 10, 2024 · Clade IV and VIII respectively obtained seven (bio4, bio5, bio10, bio11, bio17, bio18, bio19) and eleven (bio5, bio8, bio9, bio10, bio11, bio12, bio13, bio14, bio16, bio17, bio18) non-highly correlated environment variables. The R package ‘vegan’ ... Nineteen bioclimatic variables were downloaded from WorldClim, and extracted 19 …cyssa youth shooting
WorldClim_Bio
WebSep 5, 2024 · (17) bio4: (1 11 ∑ i = 1 12 (t i − (∑ i = ... TRMM/TMPA (3B43), WorldClim, GPCC are all using similar stations, and ERA-Interim is known to exhibit large biases in precipitation. All ...WebExceptions are BIO3, BIO4, and BIO15 which are always multiplied by 100 (see below). The reason that outscale is set to 10 by default is that the output layers are integers (for compatibility with WORLDCLIM), and a scaling factor of 10 (or higher power of 10) ensures a minimum of precision. WebJun 20, 2024 · Two comparisons were conducted: a first one for weather stations with available temperature observations (25,576 stations covering 73,109,913 km 2, roughly 22% of the WorldClim coverage) and a ...cyssa sporting clays