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Goswami, Rinku
- A Study on Earthworm Population and Diversity with Special Reference to Physicochemical Parameters in Different Habitats of South 24 Parganas District in West Bengal
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1 Zoological Survey of India, M-Block, New Alipore, Kolkata - 700 053, IN
1 Zoological Survey of India, M-Block, New Alipore, Kolkata - 700 053, IN
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Records of the Zoological Survey of India - A Journal of Indian Zoology, Vol 115, No 1 (2015), Pagination: 31-38Abstract
The silent role of earthworms in improving soil properties especially role of earthworms in promoting soil fertility, has been known since ancient times. Darwin (1881) was the first to observe and offer a scientific explanation of their true role in the ecosystem and his conclusions led to an upsurge of interest in earthworms from the late nineteenth century onwards (Vejdovsky 1884; Beddard 1895, 1912; Michaelsen 1900; Stephenson 1923, 1930; and Bahl 1950).Full Text
- Earthworms of South 24 Parganas with Ecological Notes
Abstract Views :210 |
PDF Views:116
Authors
Affiliations
1 Zoological Survey of India, M-Block, New Alipore, Kolkata 700053, IN
1 Zoological Survey of India, M-Block, New Alipore, Kolkata 700053, IN
Source
Records of the Zoological Survey of India - A Journal of Indian Zoology, Vol 114, No 4 (2014), Pagination: 681-686Abstract
Earthworms occur in diversified habitats from organic heaps (manure, compost, litter, humus, kitchen drainage, etc.) to forest land, grassland, agricultural land, plant nursery, etc. They are omnivorous, but most of them derive nutrition from dead organic matter. The beneficial effect of earthworms in increasing soil fertility has been documented since the time of Darwin (1881). Presently, earthworms are not restricted as a basic biology material but is being established as basic material for biotechnology (vermitechnology). Because of the vast number of species available in India and also because of the economic value, understanding of the distribution, abundance and ecological condition of the species has become very important.Full Text
- Report on the Soil Fauna of Bhadrak and Balasore District, Orissa
Abstract Views :179 |
PDF Views:111
Authors
Affiliations
1 Zoological Survey of India, M-Block, New Alipore, Kolkata-700053, IN
1 Zoological Survey of India, M-Block, New Alipore, Kolkata-700053, IN
Source
Records of the Zoological Survey of India - A Journal of Indian Zoology, Vol 113, No 4 (2013), Pagination: 213-227Abstract
Soil is one of the basic natural resources that supports life on Earth. It is a huge ecosystem, which is the habitat to several living organisms. Historically, most of the efforts on biodiversity studies focused, especially on above ground plant and animal species (Wardle, 2006). However, it is well recognized that in most terrestrial ecosystems, the below ground biota supports much greater diversity of organisms than does the above ground biota, because soils are the central organising entities in terrestrial ecosystems (Coleman, and Whitman, 2005).Full Text
- Earthworm diversity and abundance in different habitats at Satyajit Ray Film and Television Institute, Kolkata
Abstract Views :247 |
PDF Views:147
Authors
Affiliations
1 Zoological Survey of India, M - Block, New Alipore, Kolkata - 700053, IN
1 Zoological Survey of India, M - Block, New Alipore, Kolkata - 700053, IN
Source
Records of the Zoological Survey of India - A Journal of Indian Zoology, Vol 118, No 2 (2018), Pagination: 133-140Abstract
An ecological survey of earthworms was conducted at Satyajit Ray Film and Television Institute (SRFTI), Kolkata for the period of one year during August 2016-July 2017. The aim of the present study is to determine the abundance and diversity of earthworms under different land use pattern. Earthworms were collected from three different sites in SRFTI based on environment niches like grasslands, residential areas, bank of the water bodies etc., by hand sorting method. Total 8 species of earthworms were identified from 537 specimens collected and abundance plot of earthworm species were arranged by rank. The highest relative abundance of Metaphire posthuma found at the bank of water bodies, Metaphire peguana and Metaphire posthuma in residential areas and Metaphire peguana in grassland habitat, whereas the lowest relative abundance of Metaphire houlleti found in all the habitats. The highest number of species and genera were recorded in the residential areas, the least in grassland habitat. The diversity value also was highest in the residential areas with the lowest in grassland habitat. Though the highest evenness value found in the bank of the water bodies. The Dominance (d) Index value was the highest in grassland habitat with the lowest in the residential areas. The highest similarity was observed between bank of water bodies and grassland habitat.Keywords
Abundance, Diversity, Earthworm, SRFTI.Full Text
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