运气 发表于 2025-3-27 00:04:12
The California Current Upwelling System,to where it meets the cyclonic gyre in the Gulf of Alaska. The southern part of the system is very well studied, thanks to the CALCOFI program that has been ongoing since 1949, but new research results during the past decade have changed our views of the way the system operates considerably.薄膜 发表于 2025-3-27 04:53:54
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Other Important Upwelling Systems,pwelling in the open ocean (e.g., equatorial upwelling) and upwelling domes, shelf-break upwelling induced by boundary currents and their mesoscale eddies, nutrient upwelling in tidal-mixing fronts, and ice-edge upwelling.字的误用 发表于 2025-3-27 17:40:05
Book 2016 via marine food-web interactions, create the world’s richest fish resources. This book introduces the reader to the interdisciplinary science of upwelling and provides a comprehensive overview of the world’s most productive marine ecosystems in the context of climate variability, climate change andupstart 发表于 2025-3-27 21:20:15
ant families who wish to learn something more about farming before taking up their own farm. This used to be very common in countries like Denmark and Germany, but the limited prospects of obtaining an economic family holding or even of obtaining a permanent position as a married hand have producedDebility 发表于 2025-3-27 22:12:25
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Jochen Kämpf,Piers Chapmanhina.Examines the long-term interactions between social and .This book examines the rural transition and transportation in China. It covers demographic change, settlement transformation, and infrastructure development in rural areas, as well as changes in transportation expenditures, travel behaviorENDOW 发表于 2025-3-28 10:19:09
http://reply.papertrans.cn/95/9439/943825/943825_39.png懒惰人民 发表于 2025-3-28 14:13:34
Jochen Kämpf,Piers Chapmanbsistence, rather than to pursue profits. The structure and the characteristics of subsistence production of Korean farming have not been transformed into a fully capitalist production system. The scale of individual farming is too small to benefit from modern agro-technology to ensure for capital a