Rice-fish culture, which means the simultaneous culture of rice and fish, is one of the best options to increase food production from limited land and is practiced in many countries in the world. Although many researchers and farmers believe that ...
GENERAL AND COMPARATIVE ENDOCRINOLOGY 167(2) 261-267 2010年6月 [査読有り]
Changes in mRNA levels of prolactin (PRL) during seaward migration and after experimental transfer from fresh water (RN) to seawater (SW) were examined in larvae of the amphidromous fish, ayu Plecoglossus altivelis. In the field study, ayu larvae ...
JOURNAL OF FRESHWATER ECOLOGY 25(1) 41-48 2010年3月 [査読有り]
In Japan, the numbers of common cormorants (Phalacrocorax carbo hanedae) feeding in inland waters have shown a rapid increase since the 1980s, which has resulted in concerns of predation impacts on inland fisheries. We had an opportunity to examin...