A long-term (1667–1860) perspective on impacts of fishing and environmental variability on fisheries for herring, eel, and whitefish in the Limfjord, Denmark
نویسندگان
چکیده
A long-term (1667–1860) perspective on impacts of fishing and environmental variability on fisheries for herring, eel, and whitefish in the Limfjord, Denmark Bo Poulsen a,∗, Poul Holm b,1, Brian R. MacKenzie c,2 a Department of Environmental, Social and Spatial Change, Roskilde University, Building 3.2.117, DK-4000 Roskilde, Denmark b Rector’s Office, Roskilde University, Building 04.2, Universitetsvej 1, Postbox 260, DK-4000 Roskilde, Denmark c Technical University of Denmark, Danish Institute for Fisheries Research, Department of Marine Ecology and Aquaculture, Kavalergården 6, DK-2920 Charlottenlund, Denmark
منابع مشابه
Coastal Fisheries in the Eastern Baltic Sea (Gulf of Finland) and Its Basin from the 15 to the Early 20th Centuries
The paper describes and analyzes original data, extracted from historical documents and scientific surveys, related to Russian fisheries in the southeastern part of the Gulf of Finland and its inflowing rivers during the 15- early 20(th) centuries. The data allow tracing key trends in fisheries development and in the abundance of major commercial species. In particular, results showed that, ove...
متن کاملInvestigation of the effect of environmental factors on white ()fishing in the middle center of the Caspian sea from Chapakrod to Mirrod
The aim of this study was to investigate the important biological characteristics. Including: age and growth of whitefish and environmental factors such as water temperature for wind, study of litter, catch rate of these valuable fish. This study was recorded and biometric in 4 whitefish stations and the length of the fork and its weight were recorded. In each station, the specific bed material...
متن کاملToward adaptive management: the impacts of different management strategies on fish stocks and fisheries in a large regulated lake.
We applied the adaptive management approach to analyze the demand and feasibility of adaptive management of fish stocks in a large regulated lake, Oulujärvi, in northern Finland. The process consisted of four phases: (1) analysis of the current state of the fisheries system (fishers, related markets and industry, fisheries researches and authorities, related organizations, etc.); (2) analysis o...
متن کاملLong-term spatial and temporal variability of ambient carbon monoxide in Urmia, Iran
One of the pillars of epidemiologic research on the long-term health effects of air pollution is to estimate the chronic exposures over space and time. In this study, we aimed to measure the intra-urban ambient carbon monoxide (CO) concentrations within Urmia city in Iran, and to build a model within the geographic information system (GIS) to estimate the annual and seasonal means anywhere with...
متن کاملThe effect of environmental conditions on catches in CPUE in Beach sine tours in Miankaleh region of Golestan province
The bony fish of the Caspian Sea are among the most important and most valuable fish in this sea, which unfortunately their reserves have been declining for many reasons in recent years. In this research, environmental factors were investigated on catching important bones such as white rutilus kutum (Kamensky, 1901), golden multitude of Chelon auratus (Risso, 1810) and Alosa saposchnikowii (Gri...
متن کامل