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核心技术专利：CN118964589B侵权必究

核心技术专利：CN118964589B侵权必究

Purcell Jessica, Avilés Leticia

Department of Zoology, University of British Columbia, Vancouver, BC, Canada.

J Anim Ecol. 2007 May;76(3):590-7. doi: 10.1111/j.1365-2656.2007.01228.x.

There appears to be a pattern of decreasing sociality with increasing elevation across social spider species in the genus Anelosimus at tropical latitudes. Our data suggest that this pattern holds within a single species, Anelosimus eximius, on a smaller altitudinal gradient. 2. In comparing colony size at six different altitudes in north-eastern Ecuador, we find that the lowland A. eximius populations tend to have larger colonies and few solitary females. At higher elevations, many of the colonies are small and the proportion of solitary females is greater. 3. Contrary to expectation, we also found no difference in spider density between the upper elevation and lowland populations. This result may be partly due to the fact that upper elevation populations occur only at the forest edge (as opposed to both edge and interior) where populations at all elevations appear more robust.

在热带纬度地区的Anelosimus属社会性蜘蛛物种中，似乎存在随着海拔升高社会性降低的模式。我们的数据表明，在一个较小的海拔梯度上，这种模式在单一物种——卓越近狂蛛（Anelosimus eximius）中也成立。2. 在比较厄瓜多尔东北部六个不同海拔高度的群落大小时，我们发现低地的卓越近狂蛛种群往往有更大的群落，且独居雌性较少。在较高海拔地区，许多群落较小，独居雌性的比例更大。3. 与预期相反，我们还发现高海拔和低地种群之间的蜘蛛密度没有差异。这一结果可能部分是由于高海拔种群仅出现在森林边缘（与边缘和内部都有分布相对），而在所有海拔高度的森林边缘种群似乎更为健壮。

Purcell Jessica, Avilés Leticia

Department of Zoology, University of British Columbia, Vancouver, BC, Canada.

J Anim Ecol. 2007 May;76(3):590-7. doi: 10.1111/j.1365-2656.2007.01228.x.

There appears to be a pattern of decreasing sociality with increasing elevation across social spider species in the genus Anelosimus at tropical latitudes. Our data suggest that this pattern holds within a single species, Anelosimus eximius, on a smaller altitudinal gradient. 2. In comparing colony size at six different altitudes in north-eastern Ecuador, we find that the lowland A. eximius populations tend to have larger colonies and few solitary females. At higher elevations, many of the colonies are small and the proportion of solitary females is greater. 3. Contrary to expectation, we also found no difference in spider density between the upper elevation and lowland populations. This result may be partly due to the fact that upper elevation populations occur only at the forest edge (as opposed to both edge and interior) where populations at all elevations appear more robust.

在热带纬度地区的Anelosimus属社会性蜘蛛物种中，似乎存在随着海拔升高社会性降低的模式。我们的数据表明，在一个较小的海拔梯度上，这种模式在单一物种——卓越近狂蛛（Anelosimus eximius）中也成立。2. 在比较厄瓜多尔东北部六个不同海拔高度的群落大小时，我们发现低地的卓越近狂蛛种群往往有更大的群落，且独居雌性较少。在较高海拔地区，许多群落较小，独居雌性的比例更大。3. 与预期相反，我们还发现高海拔和低地种群之间的蜘蛛密度没有差异。这一结果可能部分是由于高海拔种群仅出现在森林边缘（与边缘和内部都有分布相对），而在所有海拔高度的森林边缘种群似乎更为健壮。