Researchers set up a Seine downstream of an area of interest and then flip rocks and disturb the sediment to se what washes into the net.

研究人员首先选定一个感兴趣的区域，在其下游拉起大网；然后翻动岩石，搅动水中的沉淀物；最后，看看他们的网子里捞到了什么。

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They turn up rocks and disturb sediment to see what flows into a collection net downstream.

他们翻动岩石，搅动沉淀，期待着下游的网中能够有所收获。

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Sometimes they would lob rocks over the high fence around the hothouse, and occasionally they would tear through the overhead net and he'd have to replace panes.

有时他们把石头扔过温室周围的高大围栏，石块偶尔会撕开上面的天棚，他不得不替换它们。

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Then came the freighter and crane, which picked up smaller pieces of ice with a net after the iceberg crashed onto coastal rocks.

FORBES: It's The Tap Of The Iceberg

"One traditional method involves cutting large bundles at low tide and roughly tying them together with net or old rope, anchored on rocks, " Mr Walsh says.

BBC: Seaweed