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Chaudhuri, P. S.
- Impact of Five Different Species of Bamboo Plantations on Earthworm Communities in West Tripura (India)
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Authors
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1 Department of Zoology, Tripura University, Suryamaninagar, West Tripura - 799022, Tripura, IN
1 Department of Zoology, Tripura University, Suryamaninagar, West Tripura - 799022, Tripura, IN
Source
Records of the Zoological Survey of India - A Journal of Indian Zoology, Vol 119, No 1 (2019), Pagination: 18-33Abstract
A field study undertaken in 5 different species of bamboo plantations in West Tripura revealed presence of 18 species of earthworms belonging to 4 different families viz Megascolecidae [Metaphire houlleti (Perrier), Kanchuria sp1, Lampito mauritii Kinberg, Amynthus alexandri (Beddard), Perionyx excavatus Perrier, Metaphire posthuma (Vaillant)], Octochaetidae [Eutyphoeus gigas Stephenson, Eutyphoeus comillahnus Michaelsen, Eutyphoeus orientalis (Beddard), Dichogaster bolaui Michaelsen, Lennogaster chittagongensis (Stephenson), Lennogaster yeicus (Stephenson), Eutyphoeus turaensis Stephenson and Octochaetona beatrix (Beddard)], Moniligastridae [Drawida assamensis Gates, Drawida nepalensis Michaelsen and Drawida papillifer papillifer (Stephenson) and Glossoscolecidae (Pontoscolex corethrurus Muller). One species E. comillahnus is restricted only to Tripura of India. Bamboo plantations were mostly dominated by endogeic (geophagous) species. Among the plantations B. polymorpha had the highest density (175 ind./m2) and biomass (75 g/m2) of the earthworms, whereas the highest earthworm diversity (Ĥ 1.67) was found in B. cacharensis plantation.Keywords
Bamboo Plantations, Communities, Earthworm, India, West Tripura.
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- Earthworm Casting Activities Under Bamboo Plantations of West Tripura, India and their Impact on Soil Physicochemical Properties
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Authors
Affiliations
1 Earthworm Research Laboratory, Department of Zoology, Tripura University, Suryamaninagar, West Tripura 799 022, IN
2 Department of Soil Science and Agricultural Chemistry, College of Agriculture, Tripura, Lembucherra, West Tripura 799 210, IN
1 Earthworm Research Laboratory, Department of Zoology, Tripura University, Suryamaninagar, West Tripura 799 022, IN
2 Department of Soil Science and Agricultural Chemistry, College of Agriculture, Tripura, Lembucherra, West Tripura 799 210, IN
Source
Current Science, Vol 119, No 7 (2020), Pagination: 1169-1177Abstract
Earthworm casting activities under five species of bamboo plantations of West Tripura, India and their physicochemical relationship with the surrounding soil were studied for two successive years (2016 and 2017). Annual cast production in the bamboo plantations of West Tripura was 42,620 kg ha–1 year–1. Maximum casting activity occurs in summer followed by monsoon which is statistically higher than (P < 0.05) in winter. The amount of cast production and its monthly variation strongly correlated (r = 0.60, P = 0.008) and coincided with the amount and pattern of rainfall in West Tripura. The optimum temperature range for maximum casting was between 26°C and 27°C. Amount of cast produced had strong positive correlation with soil moisture (r = 0.56, P = 0.003) and negative correlation with soil temperature (r = –0.55, P = 0.004). Casts in general were significantly richer (P < 0.05) in different physicochemical parameters (moisture, pH, available N, P, K, etc.) than the surrounding soils.Keywords
Bamboo Plantations, Cast Morphometry, Earthworm Castings, Edaphic Factors, Physico-Chemical Analysis.Full Text
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