yorku.grassland.woodlot.sept27-2016

Data Columns Headers and Description: Attribute Description Habitat The grassland is defined as an open area at least 250m by 250m in size with few trees. The forest is a woodlot on campus. Sweep net Insects were collected using a sweep net with a 32 centimetre diameter. The net was swung back and f...

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1. Verfasser: Soares, Emily
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Sprache:eng
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Zusammenfassung:Data Columns Headers and Description: Attribute Description Habitat The grassland is defined as an open area at least 250m by 250m in size with few trees. The forest is a woodlot on campus. Sweep net Insects were collected using a sweep net with a 32 centimetre diameter. The net was swung back and forth for a total distance of 25 metres in both habitats. This was repeated for a total of ten times in each habitat. Number of organisms The total number of insects found within the sweep net was counted and recorded. Number of species The number of different insect species (different recognizable taxonomic units) found within the sweep net. Additional Information: Time Data Was Collected This survey was conducted on Tuesday September 27, 2016 from 3:23pm to 4:19pm. Location of Data The field site was located on the York University-Keele Campus on a grassland and woodlot area near Keele Street and York Boulevard. The grassland was approximately 200m by 350m wide and tall trees surrounded its perimeter. The woodlot was approximately 350m by 500m wide. Latitude and Longitude: Grassland: 43.775, -79.505 Woodlot: 43.775, -79.507 Weather Conditions The conditions were partly sunny, partly cloudy, windy, and 20 degrees Celsius. Survey Methods The data was collected by walking transects of 25 metres in the grassland for 1-2 minutes. While walking, sweep nets were waved in the air to collect insects. At the end of this period, the sweep net was checked for any insects. The total number of organisms and the total number of species (different recognizable taxonomic units) was then recorded. This process was repeated 10 times. Following the collection of data within the grassland, this method was repeated in a woodlot area. Land insects were not considered for this data, as the sweep net was waved throughout the air. Data The data obtained in this experiment is categorical as our observations were grouped into two categories. These categories are the number of organisms present within the sweep net and number of different species present within the sweep net. The data for distance is measure in metres (m). The data was collected over a time span of 1-2 minutes as the transect was walked along with the sweep net. The data for number of species or recognizable taxonomic units per sample (rtus) was collected and recorded through the classification of each different species within the sweep net sample. Hypothesis The observations made within the grassland will yield a greater
DOI:10.6084/m9.figshare.3863340