Yıl 2018, Cilt 5, Sayı 2, Sayfalar 154 - 168 2018-08-01

Seasonal variations in physico-chemical parameters of Buleji and Paradise Point rocky shores at Karachi coast

Fatima Hayat Shaheen Zafar [1] , Zarrien Ayub [2] , Aasia Karim [3] , Mohammad Zahid [4] , Levent Bat [5]

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The aim of the current study was to determine common physico-chemical parameters (salinity, temperature, chlorophyll-a, dissolved oxygen, and pH) of coastal water of two rocky shores from Buleiji and Paradise Point rocky shores at Karachi monthly basis, from November 2007 to April 2009. The range of air and surface water temperature of Buleji varies from 19 ºC to 30 ºC and 21ºC to 29 ºC, respectively. Almost similar air temperature and seawater temperature (19º to 29º C) were recorded at Paradise Point. Salinity ranged from 35 to 39 ‰ at Buleji while it ranged between 35 to 40 ‰ at Paradise Point. The lowest concentrations of dissolved oxygen was recorded in November’07 and November’08 at both sites, at Buleiji which were 1.6 mg/L and 1.7 mg/L while at Paradise Point it was 1.8 mg/L and 1.7 mg/L, respectively. The pH value ranged from 7.0 to 8.3 at Buleji and from 7.5 to 8.4 at Paradise Point. The concentrations of chlorophyll-a were between 1.2 and 3.7 µg cm-2 at Buleji while it ranged from 0.9 to 3.3 µg cm-2 at Paradise Point. Results showed that the obtained values of temperatures, salinity, pH and   chlorophyll-a are favorable for the continued survival of marine biota but the values of dissolved oxygen were found to be below 4 mg/L which are not suitable for various species. Prolonged periods of minimal dissolved oxygen directly upset larval stages of numerous marine organisms. In Karachi coastal areas, seasonal accessibility of surface water is very responsive to the monsoon climate and physiography of coastal belt. These concerns were used to inform the common people and decision-makers about the state of the coastal environments. To protect these dynamic significant habitats, the government organizations and researchers should work with appropriate consideration.

 

Physico-chemical parameters, Chlorophyll-a, rocky shore, Karachi coast, the Northeastern Arabian Sea
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Yazarlar

Yazar: Fatima Hayat Shaheen Zafar (Sorumlu Yazar)
Kurum: Department of Zoology, Federal Urdu University of Arts, Science and Technology, Karachi-75270, Pakistan
Ülke: Pakistan


Yazar: Zarrien Ayub
Kurum: Centre of Excellence in Marine Biology, University of Karachi, Karachi-75270, Pakistan
Ülke: Pakistan


Yazar: Aasia Karim
Kurum: Department of Zoology, Federal Urdu University of Arts, Science and Technology, Karachi-75270, Pakistan
Ülke: Pakistan


Yazar: Mohammad Zahid
Kurum: Department of Zoology, Federal Urdu University of Arts, Science and Technology, Karachi-75270, Pakistan
Ülke: Pakistan


Yazar: Levent Bat
Kurum: Sinop University Fisheries Faculty, Department of Hydrobiology, TR57000 Sinop, Turkey
Ülke: Turkey


Bibtex @araştırma makalesi { ijegeo418709, journal = {International Journal of Environment and Geoinformatics}, issn = {}, eissn = {2148-9173}, address = {Cem GAZİOĞLU}, year = {2018}, volume = {5}, pages = {154 - 168}, doi = {10.30897/ijegeo.418709}, title = {Seasonal variations in physico-chemical parameters of Buleji and Paradise Point rocky shores at Karachi coast}, key = {cite}, author = {Ayub, Zarrien and Zahid, Mohammad and Bat, Levent and Shaheen Zafar, Fatima Hayat and Karim, Aasia} }
APA Shaheen Zafar, F , Ayub, Z , Karim, A , Zahid, M , Bat, L . (2018). Seasonal variations in physico-chemical parameters of Buleji and Paradise Point rocky shores at Karachi coast. International Journal of Environment and Geoinformatics, 5 (2), 154-168. DOI: 10.30897/ijegeo.418709
MLA Shaheen Zafar, F , Ayub, Z , Karim, A , Zahid, M , Bat, L . "Seasonal variations in physico-chemical parameters of Buleji and Paradise Point rocky shores at Karachi coast". International Journal of Environment and Geoinformatics 5 (2018): 154-168 <http://dergipark.gov.tr/ijegeo/issue/38250/418709>
Chicago Shaheen Zafar, F , Ayub, Z , Karim, A , Zahid, M , Bat, L . "Seasonal variations in physico-chemical parameters of Buleji and Paradise Point rocky shores at Karachi coast". International Journal of Environment and Geoinformatics 5 (2018): 154-168
RIS TY - JOUR T1 - Seasonal variations in physico-chemical parameters of Buleji and Paradise Point rocky shores at Karachi coast AU - Fatima Hayat Shaheen Zafar , Zarrien Ayub , Aasia Karim , Mohammad Zahid , Levent Bat Y1 - 2018 PY - 2018 N1 - doi: 10.30897/ijegeo.418709 DO - 10.30897/ijegeo.418709 T2 - International Journal of Environment and Geoinformatics JF - Journal JO - JOR SP - 154 EP - 168 VL - 5 IS - 2 SN - -2148-9173 M3 - doi: 10.30897/ijegeo.418709 UR - http://dx.doi.org/10.30897/ijegeo.418709 Y2 - 2018 ER -
EndNote %0 International Journal of Environment and Geoinformatics Seasonal variations in physico-chemical parameters of Buleji and Paradise Point rocky shores at Karachi coast %A Fatima Hayat Shaheen Zafar , Zarrien Ayub , Aasia Karim , Mohammad Zahid , Levent Bat %T Seasonal variations in physico-chemical parameters of Buleji and Paradise Point rocky shores at Karachi coast %D 2018 %J International Journal of Environment and Geoinformatics %P -2148-9173 %V 5 %N 2 %R doi: 10.30897/ijegeo.418709 %U 10.30897/ijegeo.418709
ISNAD Shaheen Zafar, Fatima Hayat , Ayub, Zarrien , Karim, Aasia , Zahid, Mohammad , Bat, Levent . "Seasonal variations in physico-chemical parameters of Buleji and Paradise Point rocky shores at Karachi coast". International Journal of Environment and Geoinformatics 5 / 2 (Ağustos 2018): 154-168. http://dx.doi.org/10.30897/ijegeo.418709