Impact of Port and harbour activities on plankton distribution and dynamics: A multivariate approach
| Autor: | Smita Dutta, Siratun Montaha S. Shaikh, Pooja Singh, M. Suresh Kumar, Jyoti P. Tagde, Lalita N. Sangolkar |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
0106 biological sciences
Population 010501 environmental sciences Aquatic Science Oceanography 01 natural sciences Canonical correspondence analysis Water Quality Ecosystem education 0105 earth and related environmental sciences computer.programming_language education.field_of_study 010604 marine biology & hydrobiology Plankton Pollution Port (computer networking) Hydrocarbons Spatial heterogeneity Harbour Environmental science Water quality computer Environmental Monitoring |
| Zdroj: | Marine pollution bulletin. 165 |
| ISSN: | 1879-3363 |
| Popis: | Numerous researches have been conducted to study the impact of Port activities on water quality. However, investigation on the response of the inhabiting biota to Port related extrinsic factors is extremely limited. Using Canonical Correspondence Analysis, comprehensive assessment of plankton population dynamics and distribution corresponding to the spatial heterogeneity in physico-chemical characteristics of harbour and adjacent coastal water is conducted. The results revealed resource competition for nitrate, predator mediated co-existence of species favoured by active switching and Port influenced environmental filtering due to suspended solids, and oil and grease as the predominant factor to modulate the plankton community structure and succession in harbour. The higher heterogeneity in the measured environmental variables at coast revealed dispersion of nutrient and other pollutants from harbour into the adjacent coastal water during ebb tide. Our results indicate reengineering of Port infrastructures and efficient management policies including water quality standards to facilitate proper water circulation and minimize pollution with a long term goal to reconcile economic interest with ecosystem conservation. |
| Databáze: | OpenAIRE |
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