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A butterfly net being used in the field. A butterfly net (sometimes called an aerial insect net) is one of several kinds of nets used to collect insects. The entire bag of the net is generally constructed from a lightweight mesh to minimize damage to delicate butterfly wings.
Drift netting. Drift netting is a fishing technique where nets, called drift nets, hang vertically in the water column without being anchored to the bottom. The nets are kept vertical in the water by floats attached to a rope along the top of the net and weights attached to another rope along the bottom of the net. [1]
Fishing fleet – an aggregation of fishing vessels of a particular country, such as the Russian fishing fleet, or using a particular gear, such as purse seine fleet. Flushing time – the time required to replace all the water in an estuary or harbour by the actions of currents and tides.
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I think RuneScape is a game that would be adopted in the English-speaking Indian world and the local-speaking Indian world. We're looking at all those markets individually." [78] RuneScape later launched in India through the gaming portal Zapak on 8 October 2009, [79] and in France and Germany through Bigpoint Games on 27 May 2010. [80]
A micro air vehicle (MAV), or micro aerial vehicle, is a class of man-portable miniature UAVs whose size enables them to be used in low-altitude, close-in support operations. [2] Modern MAVs can be as small as 5 centimeters - compare Nano Air Vehicle .
The great skua is an aerial apex predator, both preying on other seabirds and bullying them for their catches. [8] Apex predators affect prey species' population dynamics and populations of other predators, both in aquatic and terrestrial ecosystems. Non-native predatory fish, for instance, have sometimes devastated formerly dominant predators.
A fishing weir, fish weir, fishgarth [1] or kiddle [2] is an obstruction placed in tidal waters, or wholly or partially across a river, to direct the passage of, or trap fish. A weir may be used to trap marine fish in the intertidal zone as the tide recedes, fish such as salmon as they attempt to swim upstream to breed in a river, or eels as ...