CN106472242A - A kind of method that utilization downtree residuum promotes the fast quick-recovery of forest - Google Patents
A kind of method that utilization downtree residuum promotes the fast quick-recovery of forest Download PDFInfo
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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
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Abstract
The invention discloses a kind of method that utilization downtree residuum promotes the fast quick-recovery of forest, comprise the following steps：Field investigation, divides several grid；Divide forest stand type；For dissimilar standing forest, downtree residuum is manually manufactured using different felling strategies；Downtree residuum gets out cavity using electric drill, carries out seed renewal.It is an advantage of the current invention that：(1) extend the biocycle of seedling, reduce the impact to growth of seedling and survival for the extreme weather；(2) avoid the harm of rodent, weaken the competition with surrounding draft and shrub simultaneously；(3) in rainy season and snow melt season, downtree residuum can stop the flowing of water body that seedling is washed away, and in arid season, play the slow effect discharging moisture, can keep the moistening of long period soil；(4) downtree residuum is within the very long rotten cycle, there is provided nutrient substance necessary to growth of seedling；(5) except enabling above-mentioned beneficial effect moreover it is possible to save human and material resources, financial resources.
Description
Technical field
The present invention relates to forest ecosystem recovery technology field, more particularly, to a kind of fast using downtree residuum promotion forest
The method of quick-recovery.
Background technology
The renewal of forest, with to foster be to effectively improve standing forest yield, improves stand structure, promotes forest ecosystem health to send out
The key educated.How traditional method, carried out using the method for artificial growth seedling or plant seeds by airplane plant seed, but can expend a large amount of people
Power, material resources, financial resources, effect on driving birds is not good.Especially for remote forest, the mankind are difficult to reach, and this gives the tending of woods, and rare,
The recovery of endemic species provides new challenge.On the other hand expensive labour limits artificial regeneration and fosters required enough throwings
Enter.
Downtree residuum refer to dry wood, fall down to the ground the trunk not yet decomposing and being in decomposition, bough and its stub and
Thick root etc..Downtree residuum can be used as the important structural and feature element of forest ecosystem, and it can be not only animal
There is provided habitat with microorganism, maintain the multiformity of Forest biont and the integrity of forest ecology structure, and it is as sylvogenic soil
Earth top layer Nutrient Cycling, the carrier of energy Flow, information transmission and value Transfer and tie, to safeguarding the steady of Ecological Function
Qualitative also have very important contribution.The artificial downtree residuum that manufactures promotes the quick method updating of seeds to manufacture using artificial
Tree residuum, gathers materials on the spot, that is, improves species regeneration effect.The artificial downtree residuum that manufactures promotes the quick method updating of seeds then
Huge input can be avoided, so that forest is successfully updated within the more than ten years with its superior update condition simultaneously again, and formed
The rock-steady structure in multilamellar different age.
Content of the invention
It is an object of the invention to overcoming the deficiencies in the prior art, provide a kind of save human and material resources, financial resources and can be effective
Promote the method that the quick utilization downtree residuum updating of forest promotes the fast quick-recovery of forest.
The present invention is achieved by the following technical solutions：A kind of utilization downtree residuum promotes the side of the fast quick-recovery of forest
Method, comprises the steps：
(1) field investigation
Field investigation is carried out to forest to be restored, forest to be restored is divided into several grid, overall understanding is treated extensive
The natural present situation of multiple forest；
(2) divide forest stand type
According to survey result, forest to be restored is divided into 3 kinds of different types of standing forests：Gap regeneration woods, treelet grow up
Woods and ripe complete stand；
(3) for different types of standing forest, downtree residuum is manually manufactured using different felling strategies
1. gap regeneration woods：To gap regeneration woods, natural renovation, pedestrian is entered to the seedling of downtree residuum periphery existing in woods
Work is fostered, and promotes its natural renovation；
2. treelet growth woods：To treelet growth woods, cut down some trees withered soon or larger individual branch；
3. ripe complete stand：To ripe complete stand, directly cut down trees withered soon or the canopy of storey is individual；
(4) seed renewal is carried out on downtree residuum
On the trunk of natural downtree residuum in gap regeneration woods, manually cut down in treelet growth woods and ripe complete stand
On the trees falling or branch, cavity is got out using electric drill, artificial placement seed ball at cavity；Additionally, it is exposed if there are trunk
Or bark comes off, with the soil-burial of periphery.
Preferably, in described step (1), the concrete investigation content of field investigation includes：The diameter of a cross-section of a tree trunk 1.3 meters above the ground of individuality, the height of tree, seedling
Whether species, height and quantity, have canopy individuality, dead and dying trees, the canopy density of grid in grid；Obtaining the concrete of field investigation
After information, calculate the mean DBH increment Dp of each grid implants, mean stand height Hp, dead and dying trees quantity Kp, quantity Sp of seedling, strongly fragrant
Individual quantity Tp of degree of closing size Cp, canopy, mean DBH increment Ds, the mean stand height Hs of whole sample ground implants.
Preferably, the individual basis for estimation of described canopy is：The height of tree exceedes the height of tree of 95% individuality in sample ground, and the diameter of a cross-section of a tree trunk 1.3 meters above the ground exceedes
The diameter of a cross-section of a tree trunk 1.3 meters above the ground of 95% individuality in sample ground, trunk has the treehole of incompleteness, and part branch is in withered state；The judgement of described dead and dying trees according to
According to for：The dry wood of individual death, or the trunk not yet decomposing and being in decomposition that falls down to the ground is had on ground.
Preferably, the basis for estimation of described gap regeneration woods is：Dp<Ds, Hp<Hs, 0<Cp<30%, Sp >=1, Kp >=1,
Tp=0, the basis for estimation of treelet growth woods is：Dp≤Ds, Hp≤Hs, 30%<Cp<60%, Sp >=1, Kp=0, Tp=0, becomes
The basis for estimation of ripe complete stand is：Dp>Ds, Hp>Hs, Cp>60%, Sp=0, Kp >=0, Tp >=1.
Preferably, in described step (3), the concrete constructed floating bed method of the seedling of gap regeneration woods is：To seedling in grid
Periphery plant removes part branch or weeds, and growing for seedlings regeneration provides space and necessary illumination.
Preferably, in described step (3), the determination methods of the trees withered soon of seedling growth woods are：The treetop of plant is dead
Die or individuality that part branch is dead；Larger individuality trees determination methods be：Diseases on plant stalk relative to seedling growth woods other
Longer, the more sturdy individual trees of diseases on plant stalk；
The felling method of the trees withered soon of seedling growth woods is：Naturally saw down, and the position exchange premium ground that saws down；Relatively
The felling method of individual greatly trees is：If storey has a kind of advantage arbor, cut down 2-3 larger trunk, if storey has
2 kinds or two or more advantage arbor, then optional 2 kinds, each cuts down 1-2 larger trunk, if advantage arbor is protection species or treats
The seeds recovering, then preferentially do not cut down；
Additionally, the determination methods of the trees withered soon of ripe complete stand are fast with seedling growth woods in described step (3)
The determination methods of withered trees.
Preferably, boring empty method in described step (4) is：Bore one every 50-100cm it is desirable to drill.
Preferably, in described step (4), the manufacture method of seed ball is：If the seeds easily surviving, directly big with volume
Little ratio is respectively (0.5-3):(0.5-3):(2-6):(0.5-3) sawdust, the moist soil of sylvan life, lichen and bacteria cake parcel kind
Son, fills in the cavity bored on trunk, and order from outside to inside is followed successively by lichen, bacteria cake, sawdust, sylvan life humidity soil,
3-5 seed is comprised in each seed ball；If the seed of protection plant, then with water-retaining agent or fertilizer-keeping agent, seed is carried out tentatively
Parcel, then uses sawdust, sylvan life humidity soil, lichen and bacteria cake parcel seed again, fills in the cavity bored on trunk.
Preferably, the manufacture method of described bacteria cake is：The rotten withered tree residuum of collection is cut into fractionlet, dispersion connects puts
On guaiacol culture medium flat plate, cultivate 7-10d at putting 25-30 DEG C, pick out and can grow on flat board and produce variable color
The bacterial strain of circle, carries out flat board and repeatedly rules, until obtaining pure bacterial strain；Then, pure bacterial strain is forwarded on PDA plate, 25-30 DEG C
After lower culture 9-12d, the bacteria cake of diameter 12-18mm, thickness 2-4mm is produced with aseptic card punch on flat board.
Preferably, the formula of described guaiacol culture medium is：2.0%60 mesh withered tree residuum powder, 2.5% agar, 0.2%
Peptone, 0.1% sucrose, 0.02% guaiacol；The formula of PDA culture medium is：Agar 32g, peeled potatoes 400g, sucrose
40g.
It is an advantage of the current invention that：(1) downtree residuum has metastable moisture and temperature, extends the life of seedling
In the cycle, also reduce the impact to growth of seedling and survival for the extreme weather；(2) seedling of substrate above ground level and seed, can obtain
To more illumination, it is to avoid the harm of rodent, weaken the competition with surrounding draft and shrub simultaneously；(3) in rain
Season and snow melt season, the downtree residuum on the larger massif of the gradient can stop the flowing of water body that seedling is washed away, in arid season,
Also function to slowly discharge the effect of moisture, the moistening of long period soil can be kept；(4) downtree residuum is in the very long rotten cycle
Interior, there is provided nutrient substance necessary to growth of seedling, even and if the humus artificial removal on ground, also quickly by draft and filling
Wood covers；(5) method that the present invention provides is except enabling above-mentioned beneficial effect moreover it is possible to save human and material resources, financial resources.
Brief description
Fig. 1 is the flow process of the method that a kind of utilization downtree residuum that the embodiment of the present invention 1 provides promotes the fast quick-recovery of forest
Figure；
Fig. 2 is the too white of the method that a kind of utilization downtree residuum that the embodiment of the present invention 1 provides promotes the fast quick-recovery of forest
Division figure (the L of mountain Larix chinensis-Abies fargesis mixed forest standing forest：Gap regeneration woods, Y：Treelet growth woods, C：Ripe closing
Woods)；
Fig. 3 is the difference of the method that a kind of utilization downtree residuum that the embodiment of the present invention 1 provides promotes the fast quick-recovery of forest
The impact figure to overall standing forest seed germination rate for the update mode；
Fig. 4 is the difference of the method that a kind of utilization downtree residuum that the embodiment of the present invention 1 provides promotes the fast quick-recovery of forest
The impact figure to gap regeneration woods seed germination rate for the update mode；
Fig. 5 is the difference of the method that a kind of utilization downtree residuum that the embodiment of the present invention 1 provides promotes the fast quick-recovery of forest
The impact figure to treelet growth woods seed germination rate for the update mode；
Fig. 6 is the difference of the method that a kind of utilization downtree residuum that the embodiment of the present invention 1 provides promotes the fast quick-recovery of forest
The impact figure to ripe complete stand seed germination rate for the update mode；
Fig. 7 is the difference of the method that a kind of utilization downtree residuum that the embodiment of the present invention 1 provides promotes the fast quick-recovery of forest
The impact to overall standing forest seedling survival for the update mode；
Fig. 8 is the difference of the method that a kind of utilization downtree residuum that the embodiment of the present invention 1 provides promotes the fast quick-recovery of forest
The impact to gap regeneration woods seedling survival for the update mode；
Fig. 9 is the difference of the method that a kind of utilization downtree residuum that the embodiment of the present invention 1 provides promotes the fast quick-recovery of forest
The impact to treelet growth woods seedling survival for the update mode；
Figure 10 is the difference of the method that a kind of utilization downtree residuum that the embodiment of the present invention 1 provides promotes the fast quick-recovery of forest
The impact to ripe complete stand seedling survival for the update mode；
Figure 11 is the difference of the method that a kind of utilization downtree residuum that the embodiment of the present invention 1 provides promotes the fast quick-recovery of forest
The impact to overall standing forest seedlings regeneration effect for the update mode；
Figure 12 is the difference of the method that a kind of utilization downtree residuum that the embodiment of the present invention 1 provides promotes the fast quick-recovery of forest
The impact to gap regeneration woods seedlings regeneration effect for the update mode；
Figure 13 is the difference of the method that a kind of utilization downtree residuum that the embodiment of the present invention 1 provides promotes the fast quick-recovery of forest
The impact to treelet growth woods seedlings regeneration effect for the update mode；
Figure 14 is the difference of the method that a kind of utilization downtree residuum that the embodiment of the present invention 1 provides promotes the fast quick-recovery of forest
The impact to ripe complete stand seedlings regeneration effect for the update mode.
Specific embodiment
Below embodiments of the invention are elaborated, the present embodiment is carried out under premised on technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following enforcements
Example.
Embodiment 1
The also known as too white larch of Larix chinensis (Larix chinensis), is Pinaceae Larch Chinese larch group plant, belongs to
National 2 grades of rare endangered plants, are unique arbor species of Qinling Mountain Areas upper forest limit, in water conservation, firm mountain stone
Etc. aspect there is very important effect.Abies fargesis (Abies fargesii) is Pinaceae aiphyllium, is China proper tree
Kind, it is commonly formed pure forest in more than Qinling Mountains height above sea level 2400m or form mixed forest with Larix chinensis etc..In Larix chinensis-Abies fargesis
In mixed forest, Abies fargesis updates preferably, and the more difficult renewal of Larix chinensis, need to take measures to promote Larix chinensis seedling more
Newly, improve standing forest yield.Therefore, promoted by the artificial downtree residuum that manufactures in the Mount Taibai of Qinling Mountain 2400m-3000m
The quick experiment updating of Larix chinensis seeds, as shown in figure 1, comprise the steps：
(1) field investigation
Field investigation is carried out to Abies fargesis to be restored and Larix chinensis mixed forest, concrete grammar is：In comprehensive resource
On the basis of generaI investigation, forest to be restored is divided into each and every one grid some, grid size is 10m*10m, overall understanding is treated extensive
The natural present situation of multiple forest；Concrete investigation content includes：The diameter of a cross-section of a tree trunk 1.3 meters above the ground of individuality, the height of tree, the species of seedling, height and quantity, grid
Inside whether there are dead and dying trees, canopy individual, the canopy density of grid；Then, calculate the mean DBH increment Dp of each grid implants, average
Individual quantity Tp of height of tree Hp, dead and dying trees quantity Kp, quantity Sp of seedling, canopy density size Cp, canopy, whole sample ground implants
Mean DBH increment Ds, mean stand height Hs；
Wherein, the individual basis for estimation of canopy is：Highly exceed the height of tree of 95% individuality in sample ground, the diameter of a cross-section of a tree trunk 1.3 meters above the ground exceedes in sample ground
The diameter of a cross-section of a tree trunk 1.3 meters above the ground of 95% individuality, trunk has the treehole of incompleteness, and part branch is in withered state；The basis for estimation of dead and dying trees is：Individual
Dead dry wood, or the trunk not yet decomposing and being in decomposition that falls down to the ground is had on ground；
(2) divide forest stand type
According to survey result, Abies fargesis to be restored and Larix chinensis mixed forest are divided into 3 kinds of different types of standing forests：
Gap regeneration woods, treelet growth woods and ripe complete stand；
Wherein, the basis for estimation of gap regeneration woods is：Dp<Ds, Hp<Hs, 0<Cp<30%, Sp >=1, Kp >=1, Tp=0；
The basis for estimation of treelet growth woods is：Dp≤Ds, Hp≤Hs, 30%<Cp<60%, Sp >=1, Kp=0, Tp=0；Ripe closing
The basis for estimation of woods is：Dp>Ds, Hp>Hs, Cp>60%, Sp=0, Kp >=0, Tp >=1；If have grid between these types it
Between, then according to its grid appearance, its ownership of artificial judgement, concrete result of determination is shown in Fig. 2, in figure：L represents gap regeneration woods, Y table
Show that treelet growth woods, C represent ripe complete stand；
(3) for different types of standing forest, downtree residuum is manually manufactured using different felling strategies
1. gap regeneration woods：To gap regeneration woods, in woods, there is natural Abies fargesis downtree residuum, natural renovation is preferable,
Constructed floating bed is carried out to the Larix chinensis seedling of downtree residuum periphery existing in woods, promotes its natural renovation；Concrete constructed floating bed
The method of seedling is：Larix chinensis seedling periphery plant in grid is removed with part Abies fargesis branch or goes to cut weeds or fill
Wood, growing for Larix chinensis seedlings regeneration provides space and necessary illumination, and the main shrub removing is Cedar (Sabina
Pingii) and tasteful and refined Cuculus polioephalus (Rhododendron concinnum), other kind has S. mongolica Maxim (Spiraea
Mongoliaca), gold back of the body Cuculus polioephalus (R.clementinae), Lonicera tatsienensis Franch (Lonicera webbiana), too white Cuculus polioephalus
(R.purdomii), Rhododendron cephalanthum (R.capitatum), mount emei Flos Rosae Multiflorae (Rosa omeiensis), yellow rose
(R.xanthina), Cortex Acanthopanacis Giraldii (Acanthopanax giraldii) etc., the main weeds removing are mountain Herba Oxalidis Corniculatae
(Oxylis griffithii), river health sedge (Carex schneideri), fescue grass (Festuca ovina), fissure Herba Senecionis Scandentiss
(Senecio winklerianux), pedicularis verticilldta (Pedicularis verticillata), ball fringe knotweed (Polygonum
Sphaerostachyum) etc.；
2. treelet growth woods：To treelet growth woods, cut down some trees withered soon or larger individual branch；Wherein, soon
The determination methods of withered trees are：The individuality that the treetop of plant is dead or part branch is dead；The judgement of larger individuality trees
Method is：The diseases on plant stalk individual trees longer, more sturdy relative to the other plant branch of seedling growth woods；Withered trees soon
Felling method be：Naturally saw down, and the position exchange premium ground that saws down, be easy to stub advanced decay, be Larix chinensis seedling more
New offer nutrition；Larger individuality trees felling method be：Due to Larix chinensis for protected trees it is impossible to felling, mainly cut down
In woods, other arbors, such as Abies fargesis and Corii Bovis seu Bubali birch (Betula utilis), if storey has a kind of advantage arbor, cut down
3 larger trunks；If storey has 2 kinds or two or more advantage arbor, optional 2 kinds, each cuts down 1 larger trunk；
3. ripe complete stand：To ripe complete stand, directly cut down trees withered soon or the canopy of storey is individual, specifically
The withered trees basis for estimation individual with canopy is identical with above basis for estimation soon；
(4) seed renewal is carried out on downtree residuum
On the trunk of natural downtree residuum in gap regeneration woods, manually cut down in treelet growth woods and ripe complete stand
On the trees falling or branch, cavity is got out using electric drill, artificial placement Larix chinensis seed ball at cavity；
Wherein, boring empty method is：Bore one every 50cm and be easy to water penetration it is desirable to drill, Larix chinensis seed
Sprout the growth with seedling；The manufacture method of seed ball is：Larix chinensis is protection plant, first uses water-retaining agent or fertilizer-keeping agent to kind
Son is tentatively wrapped up, and then (is determined according to volume size with sawdust, sylvan life humidity soil, lichen and bacteria cake parcel seed
Its allocation ratio is about 1:1:5:1), fill in the cavity bored on trunk, and order from outside to inside be followed successively by lichen, bacteria cake,
Sawdust, sylvan life humidity soil, comprise 3-5 seed in each seed ball；
Further, the manufacture method of bacteria cake is：The rotten withered tree residuum of collection is cut into fractionlet, dispersion connects and is put in
On guaiacol culture medium flat plate, put culture 8d at 28 DEG C, pick out and can grow and produce the bacterial strain becoming chromosphere on flat board.
Carrying out flat board repeatedly to rule, until obtaining pure bacterial strain, then, pure bacterial strain being forwarded on PDA plate, after culture 10d at 28 DEG C,
The bacteria cake of diameter 15mm, thickness 3mm is produced with aseptic card punch on flat board, standby；Wherein, guaiacol culture medium manufactures
Method is：2.0%60 mesh withered tree residuum powder, 2.5% agar, 0.2% peptone, 0.1% sucrose, 0.02% guaiacol.PDA
Culture medium manufacture method is：Agar 32g, peeled potatoes 400g, sucrose 40g；
Additionally, it is exposed or bark comes off if there are trunk, with the soil-burial of periphery, to accelerate its decomposition.
Update effect research analysis：
Three kinds of different update methods of contrast are in the effect promoting the fast quick-recovery of forest to update：Method 1 is conventional nature
Unrestrained, method 2 is preliminary landfill, and method 3 promotes the fast quick-recovery of forest for a kind of utilization downtree residuum that the present embodiment provides
Method, i.e. artificial downtree.Wherein, naturally trickling down of method 1 is that the seed of collection is randomly placed in forest difference grid, does
Good labelling；The preliminary landfill of method 2 is the seed of collection to be used soil-burial at random in Different forest stands.Count different after 1 year
Seed germination rate (having little seedling with grid as standard) (M) under standing forest, result is as shown in figures 3 to 6；After 3 years, statistics seedling is deposited
Motility rate (after seedling numbers/mono- year after 3 years, seed sprouts the quantity for seedling) (S), result is as shown in Fig. 7-Figure 10；Update effect
Really (G=M*S*100) result is as shown in figures 11-14.Wherein, the different letter representation differences in the column in Fig. 3-Figure 14
Significantly, same letter represents that difference is not notable.Result confirms：Phase ratio method 1 is naturally trickled down and method 2 tentatively fills, method 3 profit
Significantly improve the more new effects of seedling with the method for artificial downtree.Wherein, for gap regeneration woods, phase ratio method 1, method
3 seed germination rate, survival rate of seedling and more new effects are respectively increased 4.5,1.8,8.2 times；Phase ratio method 2, the seed of method 3
Germination rate, survival rate of seedling and more new effects are respectively increased 2.9,1.5,4.0 times.For treelet growth woods, phase ratio method 1,
The seed germination rate of method 3, survival rate of seedling and more new effects are respectively increased 6.2,1.4,8.7 times；Phase ratio method 2, method 3
Seed germination rate, survival rate of seedling and more new effects are respectively increased 3.8,1.3,5.1 times.For ripe complete stand, mutually it suppose
Method 1, the seed germination rate of method 3, survival rate of seedling and more new effects are respectively increased 9.8,1.9,18.8 times；Phase ratio method 2, side
The seed germination rate of method 3, survival rate of seedling and more new effects are respectively increased 7.2,1.4,9.8 times.For overall standing forest, compare
Method 1, the seed germination rate of method 3, survival rate of seedling and more new effects are respectively increased 5.9,1.7,10.1 times；Phase ratio method 2,
The seed germination rate of method 3, survival rate of seedling and more new effects are respectively increased 3.9,1.4,5.3 times.
It can be seen that, the method for the artificial downtree of new method 3 of employing can effectively improve recovery effects.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of method using the downtree residuum promotion fast quick-recovery of forest is it is characterised in that comprise the steps：
(1) field investigation
Field investigation is carried out to forest to be restored, forest to be restored is divided into several grid, fully understand to be restored gloomy
The natural present situation of woods；
(2) divide forest stand type
According to survey result, forest to be restored is divided into 3 kinds of different types of standing forests：Gap regeneration woods, treelet growth woods and
Ripe complete stand；
(3) for different types of standing forest, downtree residuum is manually manufactured using different felling strategies
1. gap regeneration woods：To gap regeneration woods, natural renovation, the seedling of downtree residuum periphery existing in woods is manually comforted
Educate, promote its natural renovation；
2. treelet growth woods：To treelet growth woods, cut down some trees withered soon or larger individual branch；
3. ripe complete stand：To ripe complete stand, directly cut down trees withered soon or the canopy of storey is individual；
(4) seed renewal is carried out on downtree residuum
On the trunk of natural downtree residuum in gap regeneration woods, manually cut down in treelet growth woods and ripe complete stand
On trees or branch, cavity is got out using electric drill, artificial placement seed ball at cavity；Additionally, if there are trunk exposed or tree
Skin comes off, with the soil-burial of periphery.
2. a kind of utilization downtree residuum according to claim 1 promotes the method for the fast quick-recovery of forest it is characterised in that institute
The concrete investigation content stating field investigation in step (1) includes：The diameter of a cross-section of a tree trunk 1.3 meters above the ground of individuality, the height of tree, the species of seedling, height and quantity,
Canopy individuality, dead and dying trees, the canopy density of grid whether are had in grid；After obtaining the specifying information of field investigation, calculate each
The mean DBH increment Dp of grid implants, mean stand height Hp, dead and dying trees quantity Kp, quantity Sp of seedling, canopy density size Cp, canopy
Individual quantity Tp, mean DBH increment Ds, the mean stand height Hs of whole sample ground implants.
3. a kind of utilization downtree residuum according to claim 2 promotes the method for the fast quick-recovery of forest it is characterised in that institute
Stating the individual basis for estimation of canopy is：The height of tree exceedes the height of tree of 95% individuality in sample ground, and the diameter of a cross-section of a tree trunk 1.3 meters above the ground exceedes 95% individuality in sample ground
The diameter of a cross-section of a tree trunk 1.3 meters above the ground, trunk has the treehole of incompleteness, and part branch is in withered state；The basis for estimation of described dead and dying trees is：Individual death
Having on dry wood, or ground falls down to the ground not yet decomposes and is in trunk in decomposition.
4. a kind of utilization downtree residuum according to claim 2 promotes the method for the fast quick-recovery of forest it is characterised in that institute
The basis for estimation stating gap regeneration woods is：Dp<Ds, Hp<Hs, 0<Cp<30%, Sp >=1, Kp >=1, Tp=0, treelet growth woods
Basis for estimation is：Dp≤Ds, Hp≤Hs, 30%<Cp<60%, Sp >=1, Kp=0, Tp=0, the basis for estimation of ripe complete stand
For：Dp>Ds, Hp>Hs, Cp>60%, Sp=0, Kp >=0, Tp >=1.
5. a kind of utilization downtree residuum according to claim 1 promotes the method for the fast quick-recovery of forest it is characterised in that institute
The concrete constructed floating bed method stating the seedling of gap regeneration woods in step (3) is：Part is removed to seedling periphery plant in grid
Branch or weeds, growing for seedlings regeneration provides space and necessary illumination.
6. a kind of utilization downtree residuum according to claim 1 promotes the method for the fast quick-recovery of forest it is characterised in that institute
The determination methods stating the trees withered soon of seedling growth woods in step (3) are：The treetop of plant is dead or part branch is dead
Individuality；Larger individuality trees determination methods be：Diseases on plant stalk is longer, thicker relative to the other plant branch of seedling growth woods
Strong individual trees；
The felling method of the trees withered soon of seedling growth woods is：Naturally saw down, and the position exchange premium ground that saws down；Larger
The felling method of body trees is：If storey has a kind of advantage arbor, cut down 2-3 larger trunk；If storey has 2 kinds
Or two or more advantage arbor, then optional 2 kinds, each cuts down 1-2 larger trunk；If advantage arbor is protection species or treats extensive
Multiple seeds, then preferentially do not cut down；
Additionally, the determination methods of the trees withered soon of ripe complete stand are withered soon with seedling growth woods in described step (3)
Trees determination methods.
7. a kind of utilization downtree residuum according to claim 1 promotes the method for the fast quick-recovery of forest it is characterised in that institute
Stating the empty method of the middle brill of step (4) is：Bore one every 50-100cm it is desirable to drill.
8. a kind of utilization downtree residuum according to claim 1 promotes the method for the fast quick-recovery of forest it is characterised in that institute
The manufacture method stating seed ball in step (4) is：If the seeds easily surviving, volume size ratio is directly used to be respectively (0.5-3):
(0.5-3):(2-6):(0.5-3) sawdust, the moist soil of sylvan life, lichen and bacteria cake parcel seed, fill in the sky boring on trunk
In hole, and order from outside to inside is followed successively by lichen, bacteria cake, sawdust, sylvan life humidity soil, comprises 3-5 in each seed ball
Seed；If protection plant seed, then with water-retaining agent or fertilizer-keeping agent, seed is tentatively wrapped up, then again use sawdust,
Sylvan life humidity soil, lichen and bacteria cake parcel seed, fill in the cavity bored on trunk.
9. a kind of utilization downtree residuum according to claim 8 promotes the method for the fast quick-recovery of forest it is characterised in that institute
The manufacture method stating bacteria cake is：The rotten withered tree residuum of collection is cut into fractionlet, dispersion connects and is put in guaiacol culture medium
On flat board, cultivate 7-10d at putting 25-30 DEG C, pick out and can grow and produce the bacterial strain becoming chromosphere on flat board, carry out flat board
Repeatedly rule, until obtaining pure bacterial strain；Then, pure bacterial strain is forwarded on PDA plate, after culture 9-12d at 25-30 DEG C, uses
Aseptic card punch produces diameter 12-18mm, the bacteria cake of thickness 2-4mm on flat board.
10. a kind of utilization downtree residuum according to claim 9 promote the fast quick-recovery of forest method it is characterised in that
The formula of described guaiacol culture medium is：2.0%60 mesh withered tree residuum powder, 2.5% agar, 0.2% peptone, 0.1% sugarcane
Sugar, 0.02% guaiacol；The formula of PDA culture medium is：Agar 32g, peeled potatoes 400g, sucrose 40g.
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| CN113100006A (en) * | 2021-04-15 | 2021-07-13 | 深圳市宗泰电机有限公司 | Method for afforestation |
| CN113424742A (en) * | 2021-08-04 | 2021-09-24 | 福建师范大学 | Forest management method for promoting in-situ decomposition of withered bark of eucalyptus grandis |
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