کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4477619 | 1315730 | 2008 | 12 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: A multivariate assessment of the coral ecosystem health of two embayments on the lee of the island of Hawai‘i A multivariate assessment of the coral ecosystem health of two embayments on the lee of the island of Hawai‘i](/preview/png/4477619.png)
Four coral-dominated coastal sites within two embayments (Kealakekua Bay and Honokōhau Bay) on the lee of the island of Hawai‘i were studied to assess evidence of anthropogenic impacts in these relatively pristine locales. Nutrient-loading parameters were analyzed in relation to benthic composition data. Statistically, there were significant positive relationships between nitrate + nitrite, silicate, and ammonium with the abundance of macroalgae, coralline algae, and dead coral, and between δ15N and dead coral abundance. The north outside site of Kealakekua Bay and the south outside site of Honokōhau Bay appear to be most impacted by nutrient-loading factors in each bay, respectively. Comparisons with past nutrient data indicate that nutrient inputs have increased to the two bays, and that early impacts of these increased loadings are evident. It is predicted that at current nutrient-loading rates, the north sites of Kealakekua Bay and the south sites of Honokōhau Bay will exhibit evidence of further degradation in future years.
Journal: Marine Pollution Bulletin - Volume 56, Issue 6, June 2008, Pages 1138–1149