Arthropod Biodiversity in Agricultural, Horticultural and Silvicultural Ecosystems with Special Reference to Spiders (Araneae) in Mid-hills of Meghalaya, India

Gogoi, Jyotim; Ningthoujam, Kennedy

doi:10.21203/rs.3.rs-640064/v1

Cited by 2 publications

(1 citation statement)

References 12 publications

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“…Spider populations and their predatory potential is also affected by the physical factors that contribute potentially to the landscape composition (Yamamura et al, 2006). The fluctuations of spider abundance across the cropping seasons have not been studied extensively in India, other than few works like Banerji et al, 1993;Anbalagan and Narayanaswamy, 1999;Sudhikumar et al, 2005;Yadav et al, 2017;Gogoi and Ningthoujam, 2021).…”

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confidence: 99%

Effect of abiotic factors and seasonal influence on spider diversity in rice agroecosystem of Bargarh District, Odisha, India

PRIYADARSHINI,

MAHAPATRA

2023

Nova Geodesia

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Spiders are generalist predators which have been found to benefit paddy crops as biological control agents. The present study was taken up at Bargarh district of Odisha, India to study and compare the spider diversity in the two cropping seasons with effect of abiotic factors on species abundance in rice lands. The observations were made across two cropping seasons during Rabi and Kharif cropping seasons to assess the seasonal influence on spider population. Seventeen families of spiders were recorded during the study out of which Rabi cropping season recorded 17 families, while Kharif season recorded 13 families. In total, 60 genera and 93 species were identified based on 2694 individuals collected where females recorded 67.6% while 18.8% were juveniles and 13.6% were male spiders. The highest species diversity was found in Araneidae family (28) while Tetragnathidae (n=1106) recorded the highest abundance. The correlation of spider abundance with abiotic factors was found to vary in both cropping seasons, where rainfall and windspeed were found to control spider colonization to a considerable extent but not found significantly corelated to abundance, while it was strongly correlated positively with relative humidity. Spider abundance and species diversity was more in the Rabi season (summer crop). Five dominant families were reported commonly from both cropping seasons: Tetragnathidae, Araneidae, Lycosidae, Salticidae and Oxyopidae. Spiders observed during the study belonged to seven different feeding guilds.

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Section: Introduction Introduction Introduction Introductionmentioning

confidence: 99%

Effect of abiotic factors and seasonal influence on spider diversity in rice agroecosystem of Bargarh District, Odisha, India

PRIYADARSHINI,

MAHAPATRA

2023

Nova Geodesia

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Effect of Spider Diversity and Abundance in Legume Agroecosystems

Asnath Modiba,

Chauke,

Rapelang Nyathi

2023

Advances in Legume Research: Physiological Responses and Genetic Improvement for Stress Resistance

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An agroecosystem refers to a complex system comprising a couple of different interacting factors, involving species, ecological, and management processes. This system contains lesser species diversity of both plants and animals than a natural ecosystem. The variation in species of plants and insects is critically important to serve as a complex food chain and web whose interactions function to stabilise this ecological unit. However, among the groups of herbivores and predators found in agroecosystems, spiders play a key role in most crop fields by preying on a variety of pests. Besides this, the current pace of research on this subject shows that the role of spiders in regulating pest species and serving as potential biological control agents has been largely ignored. So far, information on agricultural spider communities, diversity and their role as biological pesticides remain scant in various parts of the world with the exception of countries such as the United States of America, Australia, and some parts of the Middle East Asia. Thus, this chapter outlines the most relevant information on the diversity, abundance and effect of arthropodous spiders on agroecosystems, particularly those that are involved in the cultivation of legume crop species. The paper also discusses current relevant threats to spiders, conservation measures, the threat of species extinction, and the role that these arthropods play in agriculture, especially by reducing the growth and productivity of species such as soybean (Glycine max L.) and cowpea (Vigna unguiculata).

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Arthropod Biodiversity in Agricultural, Horticultural and Silvicultural Ecosystems with Special Reference to Spiders (Araneae) in Mid-hills of Meghalaya, India

Cited by 2 publications

References 12 publications

Effect of abiotic factors and seasonal influence on spider diversity in rice agroecosystem of Bargarh District, Odisha, India

Effect of abiotic factors and seasonal influence on spider diversity in rice agroecosystem of Bargarh District, Odisha, India

Effect of Spider Diversity and Abundance in Legume Agroecosystems

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