CN110122253A - A method of promoting the western Abies recurvata scondary forest natural regeneration in river - Google Patents
A method of promoting the western Abies recurvata scondary forest natural regeneration in river Download PDFInfo
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- CN110122253A CN110122253A CN201910369848.4A CN201910369848A CN110122253A CN 110122253 A CN110122253 A CN 110122253A CN 201910369848 A CN201910369848 A CN 201910369848A CN 110122253 A CN110122253 A CN 110122253A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G23/00—Forestry
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- Biodiversity & Conservation Biology (AREA)
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Abstract
The present invention discloses a kind of method for promoting the western Abies recurvata scondary forest natural regeneration in river, comprising the following steps: 1) selection of the high-quality elite stand of arborous layer, 2) arborous layer is fostered；3) the clear woods of lower layer；4) after-culture and after-culture.Pass through the method to the western Abies recurvata scondary forest natural regeneration in river, realize that the measure of human assistance promotes the natural regeneration of red birch-Abies faxoniana forest, both the nursery stock of natural regeneration had been remained, shorten cultivation cycle, tree growth is promoted, and changes timbered soil environment and stand structure, natural regeneration is overcome and is limited by natural conditions, the disadvantage of more new effects difference, the evolutionary process for accelerating existing standing forest to efficient dark coniferous forest are natural.
Description
Technical field
The present invention relates to ecological restoration technical field more particularly to a kind of western Abies recurvata scondary forest natural regenerations in promotion river
Method.
Background technique
From the fifties in last century to the beginning of the eighties, western Sichuan forest is subject to extensive felling, and cutting area is predominantly located at sea
2800~3600m is pulled out, is the exemplary distribution area of arrow bamboo Abies faxoniana forest and mosses Abies faxoniana forest, forms arrow after forest harvesting
The coenotype of bamboo and mosses scondary forest different restoration processes, early period, multiform at raspberry or arrow bamboo shrubbery, later period formed red birch-
Abies recurvata scondary forest.Red birch is morning, mid-term-broad-leaf forest and theropencedrymion that dark coniferous forest restores as a kind of pioneer tree
The dominant tree in stage.Red birch easily forms soft forest floor since its fast-growing character, fallen leaves amount are big, this vegetation to cutover
Covering, recovery of ecological functions etc. plays a positive role, and provides good hayashishita for the update of Abies recurvata
Environment, with the recovery of forest, Abies recurvata will finally replace red birch.But this process is very slow, edaphophyte seed point
Other situation analysis is restored to theropencedrymion stage Abies recurvata soil seed sum and each component variation slowly from broad-leaf forest,
And changed greatly from the theropencedrymion stage to the aged stage Abies recurvata soil seed sum of blind stitch leaf and each component, according to tune
It looks into, rudimentary seed, ghost seed and the rotten seed number of such scondary forest fir seed account for the ratio of soil seed sum
It is up to 31.91%, 21.55% and 16.25% respectively, can really sprout and the ratio of long great achievement treelet is few, therefore, by right
The structural adjustment of such standing forest realizes that human assistance increases the natural regeneration ability of standing forest, promotes the positive succession of forest, is real
The important technical of the existing fast quick-recovery of such Ecological Function.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of method for promoting the western Abies recurvata scondary forest natural regeneration in river, pass through
To the method for the western Abies recurvata scondary forest natural regeneration in river, realize the measure of human assistance promote Abies faxoniana forest it is natural more
Newly, the nursery stock for both having remained natural regeneration, shortens cultivation cycle, promotes tree growth, and changes timbered soil environment
And stand structure, it overcomes natural regeneration and is limited by natural conditions, the disadvantage of more new effects difference accelerates existing standing forest to height
The evolutionary process for imitating dark coniferous forest is natural.
In order to achieve the above objectives, the specific technical proposal of the invention is: a kind of western Abies recurvata scondary forest in promotion river is natural
The method of update, comprising the following steps: the 1) selection of the high-quality elite stand of arborous layer, 2) arborous layer is fostered；3) the clear woods of lower layer；4) after-culture
And after-culture.
Preferably, the selection of the high-quality elite stand of arborous layer includes: a, selects to physically well develop in the step 1), trunk is logical straight
Tall and big fir, dragon spruce, larch, birch etc. are elite stand；B, the tree crown length of the heliophilous species of selected elite stand should account for trunk
2/3 or so of length, the tree crown length of feminine tree must be 4/5 or so of trunk length；C, elite stand age fir, dragon spruce 60-
120 years, larch 40-100, birch 20-60.
Further, the step with 2) in arborous layer foster include: a, lumbering except lose, Ba Wangmu, pest and disease damage wood, decline
Weak wood, in the case where canopy density after arborous layer is sparselyed fell cannot be less than 0.5, lumbering is except at overdone, forked tree, bending-wood；B, it protects
Seedling and sapling is stayed, small-and-middle diameter wood, the seedlings or saplings of economic value are remained with.
Further, in the step 3) the clear woods of lower layer the following steps are included: a, removal miscellaneous filling 15-20%, felling to ground
Within upper 10 centimetres；B, draft 25-35% is removed, even root removal；C, litter+moss 5-15% is removed；And by above-mentioned removing
Object dispersion is laid on the forest land that do not remove.
Further, after-culture and after-culture include: a, are greater than 6 × 6m for area in woods in the step 4)2Middle vacant lot, it is real
Row after-culture and after-culture Abies recurvata, dragon spruce, to subsidize the deficiency of natural regeneration；B, using spot soil preparation, area is 1 × 1m2—2
×2m2, 80 to 200 pieces of vacant lot per acre, the depth digged is in 10-20cm, then is planting or sowing Abies recurvata, dragon spruce above.
Compared with prior art, the present invention has the advantage that by the western Abies recurvata scondary forest natural regeneration in river
Method realizes that the measure of human assistance promotes the natural regeneration of Abies faxoniana forest, had both remained the nursery stock of natural regeneration, and shortened
Cultivation cycle promotes tree growth, and changes timbered soil environment and stand structure, overcomes natural regeneration by natural item
The disadvantage of the limitation of part, more new effects difference, the evolutionary process for accelerating existing standing forest to efficient dark coniferous forest are natural.
Specific embodiment
Example 1: a method of promoting the western Abies recurvata scondary forest natural regeneration in river, comprising the following steps: 1) arborous layer
The selection of high-quality elite stand, 2) arborous layer is fostered；3) the clear woods of lower layer；4) after-culture and after-culture.
Wherein the selection of the high-quality elite stand of arborous layer includes: a, selects to physically well develop in the step 1), and trunk is logical straight tall and big
Fir, dragon spruce, larch, birch etc. be elite stand；B, the tree crown length of the heliophilous species of selected elite stand should account for trunk length
2/3 or so, the tree crown length of feminine tree must be 4/5 or so of trunk length；C, elite stand age fir, dragon spruce 60-120
Year, larch 40-100, birch 20-60.
The step with 2) in arborous layer foster include: a, lumbering except lose, Ba Wangmu, pest and disease damage wood, backlog, in Qiao
Timber layer sparsely fell rear canopy density cannot be less than 0.5 in the case where, lumbering is except at overdone, forked tree, bending-wood；B, retain seedling children
Tree remains with small-and-middle diameter wood, the seedlings or saplings of economic value.
The clear woods of lower layer in the step 3) the following steps are included: a, removal miscellaneous filling 15-20%, felling on the ground 10 centimetres with
It is interior；B, draft 25-35% is removed, even root removal；C, litter+moss 5-15% is removed；And above-mentioned removing object is dispersed to tile
In on the forest land that do not remove.
After-culture and after-culture include: a, are greater than 6 × 6m for area in woods in the step 4)2Middle vacant lot, carry out after-culture and
After-culture Abies recurvata, dragon spruce, to subsidize the deficiency of natural regeneration；B, using spot soil preparation, area is 1 × 1m2—2×2m2, often
80 to 200 pieces of vacant lot of mu, the depth digged is in 10-20cm, then is planting or sowing Abies recurvata, dragon spruce above.
By the method to the western Abies recurvata scondary forest natural regeneration in river, realize that the measure of human assistance promotes Abies recurvata
The natural regeneration of woods had both remained the nursery stock of natural regeneration, and had shortened cultivation cycle, promoted tree growth, and change woods
Ground soil environment and stand structure overcome natural regeneration and are limited by natural conditions, the disadvantage of more new effects difference, accelerate existing
The evolutionary process for having standing forest to efficient dark coniferous forest is natural.
It is that the description of example has been carried out to the present invention above, it is clear that the implementation of the present invention is not limited by the above manner,
As long as using the various improvement that technical solution of the present invention carries out, or not improved that conception and technical scheme of the invention are direct
Applied to other occasions, all fall in the scope of protection of the present invention.
Claims (5)
1. a kind of method for promoting the western Abies recurvata scondary forest natural regeneration in river, which comprises the following steps: 1) arbor
The selection of the high-quality elite stand of layer, 2) arborous layer is fostered；3) the clear woods of lower layer；4) after-culture and after-culture.
2. a kind of method for promoting the western Abies recurvata scondary forest natural regeneration in river according to claim 1, which is characterized in that
The selection of the high-quality elite stand of arborous layer includes: that a, selection physically well develop in the step 1), the logical straight tall and big fir of trunk, dragon spruce,
Larch, birch etc. are elite stand；B, the tree crown length of the heliophilous species of selected elite stand should account for 2/3 or so of trunk length, yin
Property tree species tree crown length must be trunk length 4/5 or so；C, elite stand age fir, dragon spruce 60-120, larch 40-
100 years, birch 20-60.
3. it is a kind of promote the western Abies recurvata scondary forest natural regeneration in river method, which is characterized in that the step with 2) in arbor
Layer foster include: a, lumbering except lose, Ba Wangmu, pest and disease damage wood, backlog, canopy density cannot be less than after arborous layer is sparselyed fell
In the case where 0.5, lumbering is except at overdone, forked tree, bending-wood；B, retain seedling and sapling, remain with the small-and-middle diameter of economic value
Wood, seedlings or saplings.
4. a kind of method for promoting the western Abies recurvata scondary forest natural regeneration in river according to claim 1, which is characterized in that
The clear woods of lower layer in the step 3) is cut down the following steps are included: a, removal miscellaneous filling 15-20% within 10 centimetres on the ground；B, clear
Except draft 25-35%, even root removal；C, litter+moss 5-15% is removed；And the dispersion of above-mentioned removing object is laid in without clear
On the forest land removed.
5. a kind of method for promoting the western Abies recurvata scondary forest natural regeneration in river according to claim 1, which is characterized in that
After-culture and after-culture include: a, are greater than 6 × 6m for area in woods in the step 4)2After-culture and after-culture Ming River are carried out in middle vacant lot
Fir, dragon spruce, to subsidize the deficiency of natural regeneration；B, using spot soil preparation, area is 1 × 1m2—2×2m2, vacant lot 80 per acre
To 200 pieces, the depth digged is in 10-20cm, then is planting or sowing Abies recurvata, dragon spruce above.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110447444A (en) * | 2019-08-20 | 2019-11-15 | 广西大学 | The artificial method for promoting dalbergia odorifera natural regeneration |
| CN110603921A (en) * | 2019-09-06 | 2019-12-24 | 中国科学院、水利部成都山地灾害与环境研究所 | Forest stand structure regulation and control technology for improving secondary broadleaf forest soil water-containing capacity |
| CN112602523A (en) * | 2020-12-17 | 2021-04-06 | 四川省林业科学研究院 | Method for regulating and controlling secondary forest cover of mountains in Sichuan Asia to promote natural renewal of fir |
| CN112740952A (en) * | 2021-01-27 | 2021-05-04 | 四川农业大学 | Regulation and control method for promoting germination and renewal of fir regale seeds |
| CN112970550A (en) * | 2021-02-26 | 2021-06-18 | 中国林业科学研究院森林生态环境与保护研究所 | Near-natural forest transformation method for artificial pure forest of western Sichuan mountain picea asperata |
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| CN1129513A (en) * | 1995-07-25 | 1996-08-28 | 何玉琦 | Interval felling method of forests in temperate zone and cold temperate zone |
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| CN105104049A (en) * | 2015-03-23 | 2015-12-02 | 宁波市鄞州区天童林场 | Pseudolarix kaempferi seedling naturally breeding method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110447444A (en) * | 2019-08-20 | 2019-11-15 | 广西大学 | The artificial method for promoting dalbergia odorifera natural regeneration |
| CN110447444B (en) * | 2019-08-20 | 2021-07-30 | 广西大学 | Method for artificially promoting natural renewal of dalbergia odorifera |
| CN110603921A (en) * | 2019-09-06 | 2019-12-24 | 中国科学院、水利部成都山地灾害与环境研究所 | Forest stand structure regulation and control technology for improving secondary broadleaf forest soil water-containing capacity |
| CN112602523A (en) * | 2020-12-17 | 2021-04-06 | 四川省林业科学研究院 | Method for regulating and controlling secondary forest cover of mountains in Sichuan Asia to promote natural renewal of fir |
| CN112740952A (en) * | 2021-01-27 | 2021-05-04 | 四川农业大学 | Regulation and control method for promoting germination and renewal of fir regale seeds |
| CN112970550A (en) * | 2021-02-26 | 2021-06-18 | 中国林业科学研究院森林生态环境与保护研究所 | Near-natural forest transformation method for artificial pure forest of western Sichuan mountain picea asperata |
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Application publication date: 20190816 |