Crop tree release increased the density of soil nematodes and improved the food web structure

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Date: Jan. 2021
From: Canadian Journal of Forest Research(Vol. 51, Issue 1)
Publisher: NRC Research Press
Document Type: Report
Length: 6,711 words
Lexile Measure: 1360L

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Abstract :

As a special thinning method, crop tree release (CTR) has a beneficial effect on forest environments and structures by changing forest light, heat, and water. However, the impact of CTR on underground biodiversity remains unclear. Therefore, we analyzed the composition, diversity, and metabolic footprints of soil nematode communities under three CTR (100, 150, and 200 trees [ha.sup.-1]) treatments, as well as a no CTR treatment, in Pinus massoniana Lamb. plantations. The results showed that CTR increased the density of soil nematodes (P Key words: disturbance, Pinus massoniana, soil environment, soil nematode community, trophic groups. En tant que methode speciale d'eclaircie, le degagement des arbres d'avenir (DAA) a un effet benefique sur la structure de la foret et le milieu forestier en modifiant les conditions de lumiere, de temperature et d'humidite. Cependant, l'impact du DAA sur la biodiversite souterraine est encore nebuleux. Par consequent, nous avons analyse la composition, la diversite et l'empreinte metabolique des communautes de nematodes du sol dans trois traitements de DAA (100,150 et 200 tiges [ha.sup.-1]), ainsi qu'un temoin non traite dans des plantations de Pinus massoniana Lamb. Les resultats montrent que le DAA augmente la densite des nematodes du sol (P Mots-cles: perturbation, Pinus massoniana, environnement edaphique, communaute de nematodes du sol, groupes trophiques.

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Gale Document Number: GALE|A648410260