贝哈和莱特群岛是美国的一部分.S. Fish and Wildlife 服务 (USFWS) Snake River Islands Unit of the Deer Flat National Wildlife Refuge and are approximately 2.5 miles downstream of Walter’s Ferry in southwestern Idaho.

For this in-stream project, approximately 10 acres of floodplain were added adjacent to the islands. These videos show how the project began and what it looked like two years after completion:

之前:

后:

建设 consisted of dredging the river’s channel between Bayha and Wright islands and the south bank of the river, and narrowing the channel by creating additional wetlands around the islands. 建筑工程于2016年完工. hg8868皇冠下载 and The Freshwater Trust continued to work on the island, additional plants and installing temporary seasonal irrigation to help the new plants become established.

在下面的插图中, the orange and red indicate areas that were filled, while the blue is the river channel that was deepened. 估计有80人,000 cubic yards of fill material was dredged from the river bed or hauled from a gravel deposit on a neighboring landowner’s property. 这保持了大约4,000 dump truck trips off public roads and benefited the landowner by improving a field and pond.

下载地图

hg8868皇冠下载 completed construction on the Rippee岛 Research Project in fall 2021. 该项目创造了大约16个.5 acres of floodplain, and the adjacent river channel was deepened to improve water flow and quality. This project builds on lessons learned from the Bayha岛 Research Project. Rippee岛 is located between the Walter’s Ferry and Bernard’s Ferry boat ramps (map).