THE SEASONALITY OF ARBOREAL ARTHROPODS FORAGING WITHIN AN AUSTRALIAN RAIN-FOREST TREE
THE SEASONALITY OF ARBOREAL ARTHROPODS FORAGING WITHIN AN AUSTRALIAN RAIN-FOREST TREE
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DOI：
10.1111/j.1365-2311.1991.tb00217.x
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发表时间：
1991-08-01
影响因子：
2.2
通讯作者：
BASSET, Y
中科院分区：
文献类型：
--
作者：
BASSET, Y
1. 树栖节肢动物在冠层松柏树冠内觅食的季节性。摘要在澳大利亚布里斯班附近的亚热带雨林中，采用截流陷阱和限制冠层雾化的方法对Edlin （Sterculiaceae）进行了2年的研究。最低气温解释了节肢动物“密度活动”的大部分季节性变化。然而，寄主物候对一些植噬类群很重要。降雨、相对湿度和月相对节肢动物活动影响较小。树木行会间的季节变化范围有显著差异，与食物资源的及时可用性有关，与宿主和雨林环境有关。草食动物的季节高峰比热带雨林更明显，但没有温带林地那么明显。节肢动物密度活动和丰度的定量变化对大多数类群都很重要，在凉爽和干燥的月份有一个明显的低谷。大多数节肢动物群落对树木群落的数量贡献在一年中不是恒定的。5 .树木群落物种组成的季节变化，不是表现为全年明确的亚群落的演替，而是表现为季节范围扩大的物种连续体。该亚热带昆虫-植物系统具有热带和温带两种物候特征。这个划分是可以讨论的。
1. The seasonality of arboreal arthropods foraging within the crown of the canopy tree Argyrodendron actinophyllum. Edlin (Sterculiaceae) was studied in a subtropical rain forest near Brisbane, Australia, during 2 years with interception traps and restricted canopy fogging.2. Minimal air temperatures explained most of the seasonal variance in arthropod 'density activity'. However, the host phenology was important for several phytophagous groups. Rainfall, relative humidity and lunar phase influenced arthropod activity slightly.3. Seasonal ranges were significantly different among arboreal guilds and were related to food resource availability in time, associated with both the host and the rainforest environment. Seasonal peaks of herbivores were more marked than in tropical rain forests, but less sharp than in temperate woodlands.4. Quantitative changes in arthropod density activity and abundance were important for most groups, with a marked trough during cool and dry months. The numerical contribution of most arthropod guilds to the arboreal community was not constant throughout the year.5. Seasonal changes in the species composition of the arboreal community appeared not as a succession of well-defined subcommunities throughout the year, but as a continuum of species of extended seasonal ranges.6. This subtropical insect-plant system presented several phenological features which were classified under tropical and temperate characteristics. This partition is open to discussion.