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When it is used vertically to provide support to the vegetable trellis, the netting is fastened to a line of posts or supports (metal, bamboo or wood) distanced from 1.5 to up to 8 meters (depending to the type of crop, soil type, climate etc.) where the furrow ends have posts that are larger and stronger and preferably have a tension string or ...
This was a Standard Weight tank and was painted white Debris from Salyut 7, which landed in Argentina in 1991. This is a list of artificial objects reentering Earth's atmosphere by mass (see space debris). Such objects are often completely destroyed by reentry heating, but large enough objects or components can survive.
A fir tree snag among living fir trees. In forest ecology, a snag refers to a standing dead or dying tree, often missing a top or most of the smaller branches.In freshwater ecology it refers to trees, branches, and other pieces of naturally occurring wood found sunken in rivers and streams; it is also known as coarse woody debris.
Coarse woody debris (CWD) or coarse woody habitat (CWH) refers to fallen dead trees and the remains of large branches on the ground in forests [1] and in rivers or wetlands. [2] A dead standing tree, known as a snag , provides many of the same functions as coarse woody debris.
Small passerines are typically captured with 16-30 mm mesh, while larger birds, like hawks and ducks, are captured using mesh sizes of ~127 mm. Net dimensions can vary widely depending on the proposed use. Net height for avian mist netting is typically 1.2 - 2.6 m. Net width may vary from 3 to 18 m, although longer nets may also be used.
[3] [4] [5] Slash-and-burn is a type of shifting cultivation, an agricultural system in which farmers routinely move from one cultivable area to another. A rough estimate is that 200–300 million people worldwide use slash-and-burn. [6] [7] Slash-and-burn causes temporary deforestation.
A sea turtle entangled in a ghost net. Ghost nets are fishing nets that have been abandoned, lost, or otherwise discarded in the ocean, lakes, and rivers. [1] These nets, often nearly invisible in the dim light, can be left tangled on a rocky reef or drifting in the open sea.
1: trawl warp, 2: otter boards, 3: longline chains, 4 hunter, 5: weights 6: headline with floats, 7: pre-net, 8: tunnel and belly, 9: codend. Midwater trawling is trawling, or net fishing, at a depth that is higher in the water column than the bottom of the ocean. It is contrasted with bottom trawling.