S. (1974). Evaluation of the swimming performance of several fish species from the Mackenzie River. Journal of the Fisheries Research Board of Canada 31, 1641-1647.Jones D.R., J.W. Kiceniuk, and O.S. Bamford. 1974. Evaluation of the swimming performance of sev...
根据最后一段第一句"However,climate changes and pollutants become the greatest concerns to the health of plants,animals,fish in and along the Mackenzie River and people there.(然而,气候变化和污染物成为了对麦肯齐河内和沿岸的植物、动物、鱼类以及那里的人们健康的最大担忧)"可知,麦肯齐河被污染了。故选...
Osprey (Pandion haliaetus) flying with fish in tallons. Mackenzie river Northwest territories ( NWT) Canada,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小
Asymmetric admixture and morphological variability at a suture zone: parapatric burbot subspecies (Pisces) in the Mackenzie River basin, Canada. - Hydrobiologia, 683: 217-229.Elmer K. R. Asymmetric admixture and morphological variability at a suture zone parapatric burbot sub- species Pisces in the...
Section > Chapter Friesen, T.; Max.; Morrison, D. International Journal of Osteoarchaeology. January-February; 121: 23-33 2002 10.1002/oa.610 021658381 Article emailed within 0-6 h Buy Now for$19.90 Payments are secure & encrypted Abstract...
Land-water connectivity in the Mackenzie River Basin (MRB) is changing rapidly due to climate warming. The northernmost part of the Mackenzie River valley has recorded the largest temperature increase in Canada over the past half-century (+3 °C in annual average and +5 °C in winter; (...
Effects of environment on fish species distributions in the Mackenzie River drainage basin of northeastern British Columbia, Canada The northeast of British Columbia is subject to rapid development by the oil and gas sector. In addition, forestry, tourism and agriculture are all affecti... S Murray...
One such example is the broad whitefish Coregonus nasus of the lower Mackenzie River system in Canada's Northwest Territories, where anadromous, lacustrine, and putative riverine populations are thought to exist. In this study we resolve migratory variation exhibited by lower Mackenzie River broad ...
The Mackenzie River is the second largest river in North America after the Mississippi River and is the largest river system in Canada.It runs from southeast to northwest,from Great Slave Lake into the Arctic Ocean.The break-up of ice begins in late April,early May.The river is free of ic...
根据最后一段第一句"However,climate changes and pollutants become the greatest concerns to the health of plants,animals,fish in and along the Mackenzie River and people there.(然而,气候变化和污染物成为了对麦肯齐河内和沿岸的植物、动物、鱼类以及那里的人们健康的最大担忧)"可知,麦肯齐河被污染了。故选...