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A conifer is an evergreen tree with needle-like leaves, which produces fruit in the form of cones.

In saltmarshes, organic litter mostly consists of small pieces of plant litter although occasional wood and other flotsam are included.  Beach litter can consist of beds of decaying seaweed as well as larger debris, such wood, man-made rubbish and rocks. These often form bands of material along the high tide mark.