论文部分内容阅读
A comparison between benthic assessing fish assemblages in a gillnet and bottom trawl for shallow eu
【机 构】
:
KeylaboratoryofFreshwaterFisheryGermplasmResources,XinyangCollegeofAgricultureandForestry,NanjingIns
【出 处】
:
海洋湖沼学报(英文)
【发表日期】
:
2018年2期
【基金项目】
:
Supported by the Science and Technology Commission of Shanghai Municipality (Nos. 08DZ1203101, 08DZ1203102) and the Shanghai University Knowledge Service Platform, Shanghai Ocean University Aquatic An
其他文献
<正> 黄腐酸(Fulvic Acid)作为一种开源节流型抗蒸腾剂,能够提高农作物的细胞通透性,抑制气孔张度,减少水分的无效蒸腾,起到保水、节水和缓解干旱胁迫的作用,已在小麦、玉米
<正> 豆秆黑潜蝇(Melanagromyza sojae Zehnter)是我国黄淮地区及南方大豆产区的主要害虫。我们通过室内饲养与田间调查,发现该虫有8种寄生蜂,对其田间消长起者重要的控制作
Starting from the end of the 90s not perodic and unpredictable variations in the depth of harbor waters were observed. Long period (from 24 hours to a few days)
Lingtse gneiss (LGn) and Higher Himalayan crystallines (HHC) comprise parts of main central thrust (MCT) in the Darjeeling Sikkim Himalaya. Tourmaline bearing g
在以农耕文化为基础的广袤中华大地之上,散落着数以万计的村庄,村庄里有着6亿农民在辛苦劳作。如今,全面建成小康社会已进入决胜阶段,党的十九大报告提出实施乡村振兴战略,一场志
池藕立体高产高效栽培技术郑茂启(汶上县农技推广中心272501)池藕立体栽培是汶上县改革种植方式,实现高产、优质、高效农业的重要措施之一。1991~1992年我们承担了山东省农业厅下达的“万亩池藕
Spatio-Temporal Study of Toxic and Harmful Planktonic Taxa at Two Oceanic Sites Mehdia and Moulay Bo
Phytoplankton is all cyanobacteria and microalgae (microscopic plants) present in surface water that may be carried by water currents. The study was conducted a
Microfacial Study, Fossil Assemblages and Depositional Environment of Wadi As Sir Limestone Formatio
This paper studies the microfacies, fossil contents, and the depositional environment of Wadi As Sir Limestone Formation exposed in the Al-tayyar area Zarqa Gov
<正> 为了选育适应我国生产条件的矮化砧木,我们于70年代开始,进行了苹果矮砧育种研究。现将75—7—1矮砧优系的选育情况简介如下。一.选育过程 75—7—1是1975年用M_2×
First Skull of Medium Sized Titanosaur in Indo-Pakistan Subcontinent Found from the Latest Maastrich
Titanosaurs’ crania are rare in the global world. Further titanosaur crania associated with postcrania are again negligible which prevented for its higher and