论文部分内容阅读
从2002年4月1日起，我国长江流域葛洲坝以下至河口水域每年禁渔3个月。作为长江最大的过水性调蓄湖泊，洞庭湖就是从这一年开始实施季节性休渔的。
休渔时季洞庭人
【摘 要】
：
从2002年4月1日起，我国长江流域葛洲坝以下至河口水域每年禁渔3个月。作为长江最大的过水性调蓄湖泊，洞庭湖就是从这一年开始实施季节性休渔的。
【出 处】
：
人与自然
【发表日期】
：
2010年6期
其他文献
Production of reactive oxygen species by freezing stress and the protective roles of antioxidant enz
As one of the most severe environmental stresses, freezing stress can determine native flora in nature and severely reduce crop production. Many mechanisms have
In the present investigation, a total number of 132 different actinomycetes strains were isolated from the humus soil samples. Out of 132 isolates, 52 showed in
一切由心开始，在与自然的接触中，让孩子们形成保护环境、注重生态的健康生活态度，塑造自信、勇敢的出格和团队意识，适应未来社会生活的挑战。
胡泳 管理學者，作家 集合了分权与集权优点的混合式组织是最棒的。纯粹的海星式组织非常难以创造收入，而混合式组织一方面拥有分权化组织自下而上的方式，另一方面，它具备了集权化组织的结构、控制和赢利能力 美国的奥瑞·布莱福曼和罗德·贝克斯特朗在《海星模式》一书中，极富想象力地描述了在信息化时代，“海星”大军的优势生存模式。 如果砍掉一只蜘蛛的脑袋，毫无疑问它会死亡；但是砍掉海星的一条腿，它却还
Herbicide tolerant plants such as Roundup-Ready soybean contain residues of glyphosate herbicide. These residues are considered safe and previous animal-feeding
This study assesses the role of the earthworm, Eisenia fetida, in the breakdown of endosulfan in a soil environment. Two strains of E. fetida were used in this
Pb concentrations and isotopic compositions in the soil and sediments around the abandoned mine in s
This study was undertaken to investigate the influence of Pb contaminant dispersal from an abandoned mine. For the study, 23 samples of sediment and soil were c
Antibacterial compounds from Rutaceae with activities against Flavobacterium columnare and Streptoco
From the ethyl acetate extract of Murraya koenegii (Rutaceae) leaves, isomahanine (1) and mahanine (2) were isolated that showed antibacterial activity towards
“你要这样画，不要太细，睫毛要贴在双眼皮的上面”，坐在化妆间里，一边要写节目的run down，陈文茜还要拿起眉笔告诉化妆师要怎么画眉毛、贴睫毛、卷头发。透过镜子看着她有点急，又要
Quantitative differentiation of phenolic compounds in different varieties of buckwheat cultivars fro
The aim of this study was to determine the variation of phenolic compounds in common and tartary buckwheats collected from China, Japan and Korea. Two buckwheat