Оцінка податкового потенціалу регіону

Метою даної статті є дослідження податкового потенціалу регіону, аналіз формування та оцінка податкового потенціалу регіону (на прикладі Донецької області)

The lagoon fisheries of French Polynesia

A brief review is presented of the lagoon fisheries of the Tuamotu (especially Rangiroa) and Society Archipelagos, French Polynesia, with some emphasis on the role of traps and of social and economic factors affecting the distribution of fishing effort

Growth and mortality of Ctenochaetus striatus, Stegastes nigricans and Sargocentron microstoma in Tiahura Reef, Moorea Island, French Polynesia

Growth parameters and mortality rates were estimated from length-frequency data sampled in 1982, using the FiSAT software, for three coral reef fish species, the surgeon fish (Ctenochaetus striatus), the damselfish (Stegastes nigricans) and the squirrel fish (Sargocentron microstoma) in Tiahura Reef, Moorea Island, French Polynesia

Stable isotopes reveal trophic relationships and diet of consumers in temperate kelp forest and coral reef ecosystems

We explored the use of stable nitrogen (N) isotope analysis to assess trophic position of consumers in two marine ecosystems: the kelp forests of southern California and a coral atoll in the tropical Pacific. The delta N-15 values of consumers in both ecosystems increased from known herbivores (invertebrates and fish) to higher-level consumers (predatory invertebrates and fish). In the absence of data on trophic enrichment in N-15 for our study species, we used the oft-cited value of +3.4 parts per thousand increase in delta N-15 value per trophic level and estimates of the delta N-15 producer baseline value to estimate trophic position. The trophic position of consumers computed using N isotopes compared favorably to published observations of diet. Nitrogen isotope analysis revealed that some of our higher-level fish consumers from rocky reefs (i.e., some rockfish) were feeding largely on invertebrates rather than on fish, as is often assumed. Our analysis also suggests that higher-level consumers on coral reefs may consume more herbivorous prey (i.e., both fishes and invertebrates) than previously reported. Our data support the use of nitrogen isotope values to assess trophic position and, thus, their utility as one metric with which to explore the effects of short- and longer-term natural and human-induced changes on kelp forest and coral reef food webs

Reference area as a factor affecting potential yield estimates of coral reef fishes

A compilation of 48 estimates of Caribbean and Pacific coral reef fish catches, ranging from 0.1 to 23.7 t km super(-2) year super(-1), obtained from coral reef areas ranging from 0.1 to nearly 4-10 super(5) km super(2), are used to show that observed catches, and hence potential yield estimates, depend strongly on the reference area. The implications for coral reef fisheries assessments are discussed

Growth and mortality of Ctenochaetus striatus, Stegastes nigricans and Sargocentron microstoma in Tiahura Reef, Moorea Island, French Polynesia

Growth, Mortality, Reef fish, Statistical analysis, Tiahura Reef, Moorea Island, French Polynesia, Ctenochaetus striatus, Stegastes nigricans, Sargocentron microstoma

Reference area as a factor affecting potential yield estimates of coral reef fishes

Potential yield, Reef fisheries, Coral reefs