Change in the population dynamics of spiders with the seasonal variations in the Sugarcane fields
Journal Title: Journal of Biodiversity and Environmental Sciences (JBES) - Year 2017, Vol 10, Issue 4
Abstract
In the present study, spider diversity and seasonal variation in the population dynamics was studied. A total of 192 specimens were recorded from the sugarcane fields located in the district Faisalabad (habitat-1). These specimens belong to 21 species, 10 genera and 6 families. In district Okara (habitat-2),a total of 164 specimens belong to 23 species, 11 genera and 7 families. The pitfall trapping methods was used for capturing from July through December. Maximum spider diversity was recorded in the month of August due to maximum humidity (65-70%) and temperature (35°C) suitable for the breeding of mature spiders. Lycosidae being active predator of pests was found most abundant in both studied habitats with 59.38% in Habitat-1 and 60.37% in the habitat-2. Salticidae was the second most abundant family in the both habitats. Oxypidae was considered least abundant and only one species was recorded from habitat-2. Ecological parameters including Species Richness (R), Shannon Diversity Index (H), Palou’s Evenness Index (E), and Simpson Diversity Index (D) were 27.75±2.56, 2.62± 0.23, and 0.94±0.04, 0.92±0.03 respectively for habitat-1 and 23.28±0.91,2.75±0.50, 0.91±0.071, 0.93±0.06 respectively for habitat-2. It was concluded the spiders are the predominant creatures in the sugarcane. If we recognize the feeding preference of individuals family, they could be successfully use in the agro-ecosystem for controlling the pest species.
Authors and Affiliations
Muhammad Saleem Khan, Muhammad Wajid, Tanwir Ahmad Abbas, Zahid Farooq, Muhammad Saleem Akhtar, Mujahid Kaleem, Sidra Saeed, Azam Khan
Keywords
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