Question

1. The assemblage of plant species in an environment is known as
guation
are two important factors for the plant growth​

Answer 1

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Abstract

Knowing that diverse plantings enhanced biomass and nitrogen (N) accumulation in a restored California salt marsh, we asked if the "biodiversity effect" was due to species selection or complementarity. In a two-year greenhouse experiment, we found positive biodiversity effects on total, root, and shoot biomass, total and root N crop, and on biomass and N allocation; negative effects on root and shoot N concentration; and no effect on shoot N crop. Overyielding among trios and sextets was supported by significant deviations in observed yield from that expected relative to solo yields (D T). However, both trios and sextets strongly underyielded relative to the highest yielding solo in the assemblage (D

Answer 2

Explanation:

Knowing that diverse plantings enhanced biomass and nitrogen (N) accumulation in a restored California salt marsh, we asked if the "biodiversity effect" was due to species selection or complementarity. In a two-year greenhouse experiment, we found positive biodiversity effects on total, root, and shoot biomass, total and root N crop, and on biomass and N allocation; negative effects on root and shoot N concentration; and no effect on shoot N crop. Overyielding among trios and sextets was supported by significant deviations in observed yield from that expected relative to solo yields (D T). However, both trios and sextets strongly underyielded relative to the highest yielding solo in the assemblage (D max) in all attributes, and to the dominant species in the assemblage (D dom) in most attributes. When we decomposed biodiversity effects on shoot characteristics, selection effects primarily drove over- and underyielding.

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