Tending method for promoting western sichuan subalpine natural secondary forest to restore by utilizing reserved trees
A secondary and natural technology, applied in forestry, application, cultivation, etc., can solve the problems that restrict the renewal and growth of red birch, a pioneer tree species, and achieve the effect of reducing losses
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Embodiment 1
[0029] Embodiment 1: a kind of tending method that utilizes preserved wood to promote the restoration of Sichuan West Alpine natural secondary forest, it may further comprise the steps:
[0030] S1. The selection of secondary forest restoration target tree species: the secondary forest restoration target tree species are Minjiang fir, spruce, hemlock, red birch and white birch;
[0031] S2. Selection of reserved trees: Select the target tree species left by strong disturbance in the forest ecosystem as reserved trees. When the target tree species is Minjiang fir, spruce or hemlock, the diameter at breast height of the reserved tree is ≥ 25cm; the target tree species is For red birch or white birch, keep the diameter of the wood at breast height ≥ 30cm;
[0032] S3. Division of natural secondary forest restoration stages: natural secondary forest is divided according to the important value of dominant species in the forest, and is divided into shrub stage, birch broad-leaved fo...
Embodiment 2
[0048] Embodiment 2: a kind of tending method that utilizes preserved wood to promote the restoration of Sichuan West Alpine natural secondary forest, it may further comprise the steps:
[0049] S1. The selection of secondary forest restoration target tree species: the secondary forest restoration target tree species are Minjiang fir, spruce, hemlock, red birch and white birch;
[0050] S2. Selection of reserved trees: Select the target tree species left by strong disturbance in the forest ecosystem as reserved trees. When the target tree species is Minjiang fir, spruce or hemlock, the diameter at breast height of the reserved tree is ≥ 25cm; the target tree species is For red birch or white birch, keep the diameter of the wood at breast height ≥ 30cm;
[0051] S3. Division of natural secondary forest restoration stages: natural secondary forest is divided according to the important value of dominant species in the forest, and is divided into shrub stage, birch broad-leaved fo...
Embodiment 3
[0067] Embodiment 3: a kind of tending method that utilizes preserved wood to promote the restoration of Sichuan West Alpine natural secondary forest, it may further comprise the steps:
[0068] S1. The selection of secondary forest restoration target tree species: the secondary forest restoration target tree species are Minjiang fir, spruce, hemlock, red birch and white birch;
[0069] S2. Selection of reserved trees: Select the target tree species left by strong disturbance in the forest ecosystem as reserved trees. When the target tree species is Minjiang fir, spruce or hemlock, the diameter at breast height of the reserved tree is ≥ 25cm; the target tree species is For red birch or white birch, keep the diameter of the wood at breast height ≥ 30cm;
[0070] S3. Division of natural secondary forest restoration stages: natural secondary forest is divided according to the important value of dominant species in the forest, and is divided into shrub stage, birch broad-leaved fo...
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