Toward a Positive Feedback between Fish Abundance and Dense Forest to Enhance Biodiversity: Responsible Fisheries from a Viewpoint of Nutrient Cycling

摘要: Traditionally, fish has been considered as an item for direct or indirect human use (food, fertilizer, fishmeal and so on). Recently increasing number of studies on anadromous salmon in North America Japan, however, suggest that could also support biodiversity. Marine-derived nutrients (MDN) are important contributors to maintain enhance biodiversity freshwater riparian ecosystems. This can be rephrased such a way ocean helps enrich terrestrial ecosystem. On the other hand, reevaluation uo-tsuki-rin (fish breeding forest) under last two decades Japan. Women fisheries cooperative associations environmentally-concerned people have planting trees coastal zone sometimes inland. Such activities attract water near wooded areas. In this case forest is furnish marine (or well) with habitable environment by giving them shades, nutrients, shelters on. Based these recent trends research popular actions, paper characterizes responsible new approach which allows certain freely make upstream downstream migration incorporates afforestation its practices. It then concludes positive feedback between abundance dense prerequisite both environments.