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| Main Authors: | , , , |
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| Format: | Artículo científico |
| Language: | en |
| Published: |
The Science of the total environment
2024
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| Subjects: | |
| Online Access: | https://pubmed.ncbi.nlm.nih.gov/39612706/ |
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Table of Contents:
- Impact of shallow hydrothermal vent waters on monsoonal copepod distribution and abundance around active volcanic island off northeast Taiwan, West Pacific. Davidson, Anitha Mary Tseng, Li-Chun Wang, Yan-Guo Hwang, Jiang-Shiou Copepoda Taiwan Animals Hydrothermal Vents Environmental Monitoring Zooplankton Seasons Pacific Ocean Seawater Extreme oceanic environments such as shallow hydrothermal vents (HVs) have rarely been investigated with respect to their impact on the water column and its organisms, such as zooplankton. We collected mesozooplankton from the near shore shallow HV areas off northeast Taiwan during three distinct monsoonal periods in 2022. The results showed the occurrence of 99 copepod species belonging to 24 families and 49 genera from a one-year study. The results from similarity percentage (SIMPER) and indicator species analysis (IndVal) identified that top 5 species namely Temora turbinata, Oncaea venusta, Clausocalanus furcatus, Macrosetella gracilis, and Canthocalanus pauper showed variations in their abundance between HV and non-HV sites which contributed to 72.12 % dissimilarity with only four of the species with significantly higher contributions during the SW monsoon season. This distinction is explained by the fact that copepods were negatively affected by HV water. Furthermore, Temora turbinata (3530.7 ± 4967.83 ind. m), Calanus sinicus (70.86 ± 163.78 ind. m), and Paracalanus parvus (40.47 ± 85.67 ind. m) emerging as the dominant species with a clear seasonal succession pattern during the southwest monsoon, northeast-southwest monsoon transition, and northeast monsoon prevailing phase, respectively. The total abundance of copepod was significantly higher during the southwest monsoon than during the other two monsoonal periods (p