BIOL 2050: Lab 3 Abundance of Insects found in the Woodlot and Grassland Areas Of York University

Data measuring the abundance of insect life was collected both in the Saywell woodlot and Stong pond grassland area on September 28, 2015 at aproximatley 3:00pm. It was cloudy with a temperature of 20ᵒC. Insects were randomly sampled by placing 9 bowls filled with soapy water along a transect randomly placed in the Saywell woodlot area as well as the Stong pond grassland area. The bowls were colored white, yellow and blue and were placed in an alternating pattern every 3 meters of the transect. Once the pan traps were placed in both areas, a waiting period of 1 hour was used before collecting data on the abundance found within each bowl. The number of insects and RTU (Recognizable taxonomic units) were counted and visually determined by the experimenter.

2015年9月28日约下午3时，研究人员于塞维尔林地（Saywell woodlot）与斯唐池塘草原（Stong pond grassland）区域采集昆虫种群丰度数据。当日天气多云，气温为20℃。
研究人员采用随机抽样方式，在上述两个区域内的随机样带上，放置9个盛有肥皂水的碗具。碗具分为白色、黄色与蓝色三种，沿样带每3米交替摆放。
待两个区域的碗诱捕器均布设完成后，需静置1小时，再收集每个碗内的昆虫丰度数据。实验人员通过目视计数，统计碗内的昆虫数量及可识别分类单元（Recognizable Taxonomic Units）。