Temat: landscape change - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Impact of artificial coastal protection structures on Ascidians settlement along the Tamil Nadu coast, India
Autorzy:: Jebakumar, J.P.P.
Nandhagopal, G.
Babu, B.R.
Ragumaran, S.
Ramakritinan, C.M.
Ali, A.J.
Arshan, M.K.
Ravichandran, V.
Powiązania:: https://bibliotekanauki.pl/articles/48441.pdf
Data publikacji:: 2019
Wydawca:: Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:: artificial structure
urban sprawl
landscape change
non-native species
Tamil Nadu coast
India
Źródło:: Oceanologia; 2019, 61, 1
0078-3234
Pojawia się w:: Oceanologia
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Assessment of bird diversity as bioindicators in two parks, Kolkata, India
Autorzy:: Chowdhury, R.
Sarkar, S.
Nandy, A.
Talapatra, S.N.
Powiązania:: https://bibliotekanauki.pl/articles/11495.pdf
Data publikacji:: 2014
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:: assessment
bird diversity
bioindicator
vehicular traffic
vehicular pollution
urban park
biomonitoring
landscape change
park
Calcutta city
India
Opis:: The trees of parks and gardens support many species, the survival of urban-dwelling species mainly bird species. Birds amongst other species provide a wide range of environmental and social functions to cities and urban dwellers. The present study aims to know bird diversity in two parks as bioindicator of automobile air pollution exposure, landscape changes and/or human interactions. The study areas were selected as per heavily-populated neighborhoods, nearby office buildings, nearby roads and continuous vehicular movements, human interactions as visitors, where high levels of human disturbance are common. The study was carried out at 2 sampling stations viz (i) Elliot park and (ii) Agri-horticulture Society. The bird species diversity was studied by qualitative and quantitative assessment. Indices were Species richness, Index of Dominance, Relative abundance, Shannon-Wiener Diversity Index and Evenness Index for birds for all selected sites were calculated using the statistical formulae. The present results as bioindicators bird species clearly indicate that the bird species are very few in numbers in both the parks. When comparison made between both the parks, it was observed less number of bird varieties (16 types) in Elliot park than varieties (9 types) more less in number in Agri-horticulture society. This study is a preliminary assessment of bird diversity but further researches are needed in relation to biochemical and genetic damage study as well as air pollution load by using instruments. In the present study it was concluded that the less numbers of birds and their different diversity indices were found a decreasing trends, though there no attempt has been made on physico-chemical properties of present air pollutants. The less number of varieties of bird species are as tolerant bioindicators, which may be due to the vehicular pollution and/or human interference and/or landscape changes due to nearby neighborhood blocks, office and residential buildings, continuous movement of vehicles etc.
Źródło:: International Letters of Natural Sciences; 2014, 11, 2
2300-9675
Pojawia się w:: International Letters of Natural Sciences
Dostawca treści:: Biblioteka Nauki

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