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http://inet.vidyasagar.ac.in:8080/jspui/handle/123456789/86
2024-03-29T01:20:33ZSacred Groves and their Phyto Resources in the Blocks of Hirbandh, Taldangra, Khatra and Indpur, Bankura District, West Bengal
http://inet.vidyasagar.ac.in:8080/jspui/handle/123456789/6978
Title: Sacred Groves and their Phyto Resources in the Blocks of Hirbandh, Taldangra, Khatra and Indpur, Bankura District, West Bengal
Authors: Mitra, Bulganin; Chatterjee, Aritri; Saha, Narayan Chandra; Sarkar, Argha
Abstract: Sacred groves (SGs) are small patches of native vegetation traditionally been
protected on the grounds of religious faith. Moreover, these ‘botanical
islands’ preserve rich floral diversity which includes many rare, endemic and
important species of flora. The present survey was conducted in 66 sacred
groves of Hirbandh (24), Taldangra (25), Khatra (14) and Indpur (3) in
Bankura district. A taxonomic analysis of the Phyto resources from these
sacred groves revealed 75 species belonging to 66 genera under 36 families.
Hirbandh shows the maximum plant diversity with 56 species, followed by
Taldangra (36), Khatra (32) and Indpur (13). Among these plants, 53.94%
plant species are having Non-Timber Product (NTP) value, 52.63% are
important to have medicinal value, 44.74% plants can be used as fuel wood.
Moreover, plants produce edible products (34.22%) followed by plants with
ritual & cultural value (21.05%) and plants with timber value (5.26%).
Among the 75 plant species reported from these four blocks, only 2% species
are very commonly (VC) distributed, whereas 38% rarely (R) available in
these sacred groves. Such sacred grove is a tool to restore and save the
remnants of these age old patches for present and future generations.
Description: PP:1-242020-06-01T00:00:00ZPolyembryony: An Evolutionary Debate
http://inet.vidyasagar.ac.in:8080/jspui/handle/123456789/6977
Title: Polyembryony: An Evolutionary Debate
Authors: Raut, S. K.
Abstract: The tendency of recruitment of offspring at a maximum level is customary
among biological species. To ensure the same various strategies have been
developed by various group of organisms. Of these, binary fission, multiple
fission, fragmentation, budding, vegetative propagation, sporogenesis are means
of asexual mode of recruitment. Though parthenogenesis is very much involved
with the female gamete where the offspring is produced by female without
participation of male gamete could be considered as a passage towards sexual
reproduction. According to some authorities, parthenogenesis is one kind of
asexual reproduction while many authorities opined that parthenogenesis is a
derivative of normal sexual reproduction. However, to get the quality offspring
some biological species have evolved the process of recruitment of a good
number of offspring following sexual reproduction on way of producing many
embryos either individually in respect to union of male gamete with the female
ones or from an embryo through cloning devices. Perhaps, to overcome hurdles,
on way of evolution, polyembryony is emerged to produce individual with many
upcoming characters in biology. But the fact is very much involved with the
sexual reproduction even after the production of embryo from a zygote. This sort
of recruiting mechanism in organisms is not only an aspect of evolutionary
debate but also a question of analysis whether this type of recruitment behavior
is influenced by the asexual recruitment devices.
Description: PP:25-332020-06-01T00:00:00ZThe potential of domestication through human controlled culture of some plants’ species from wild habitats of the state of Sikkim, India
http://inet.vidyasagar.ac.in:8080/jspui/handle/123456789/6976
Title: The potential of domestication through human controlled culture of some plants’ species from wild habitats of the state of Sikkim, India
Authors: Pradhan, Durga Kumar
Abstract: The plant species, growing in the cultivated land of Sikkim Himalaya, are
enumerated to document the recent trend of domestication. This
information can be utilized for the economic development of communities
of Sikkim Himalaya relating to organic production.
This paper presented the notes on altitudinal ranges, flowering and fruiting
period, local names etc. of domesticated plant species, which are growing
as crops.
Description: PP:34-472020-06-01T00:00:00ZCocoon Biology of Sixteen Different Species of Indian Earthworms
http://inet.vidyasagar.ac.in:8080/jspui/handle/123456789/6975
Title: Cocoon Biology of Sixteen Different Species of Indian Earthworms
Authors: Bhattacharjee, Subhalaxmi; Chaudhuri, Priyasankar
Abstract: Information on cocoon biology of sixteen different tropical earthworm
species like Pontoscolex corethrurus (Műller), Drawida assamensis
Stephenson, Drawida papillifer papillifer Gates, Drawida nepalensis
Michaelsen, Eutyphoeus comillahnus Michaelsen, Eutyphoeus gammiei
Beddard, Metaphire houlleti (Perrier), Dichogaster affinis Michaelsen,
Dichogaster bolaui (Michaelsen), Dichogaster modiglianii Rosa,
Octochaetona beatrix Gates, Lennogaster chittagongensis (Stephenson),
Metaphire posthuma (Vailant), Perionyx excavatus Perrier, Lampito
mauritii Kinberg, and Polypheretima elongata (Perrier) are presented in
this paper. Detailed cocoon morphology is made available here. Fecundity
of peregrine species like P. excavatus, P. corethrurus, P. elongata, D
affinis, D modiglianii, D. bolaui, O. beatrix have been found to be high and
cocoon production is also continuous in them. Whereas fecundity is much
lower in native species like E. gammiei, E. comillahnus. A positive
relationship between size of adult and cocoon size has also been found.
Room temperature during incubation had been found to affect incubation
period.
The more continuous and high rate of cocoon production and high hatching
success in P. corethrurus, O. beatrix, D. affinis, D. bolaui, D. modiglianii
approve their usage in vermiculture based technology. The geophagous
species like P. corethrurus and O. beatrix can be used for improvement of
quality of different land systems while phytogeophagous species can be
made available for stabilization of organic wastes.
Description: PP:48-662020-06-01T00:00:00Z