CN113748909A - An efficient construction method of forest zee ecosystem based on cork pine fluctuating zone in reservoir tail - Google Patents
An efficient construction method of forest zee ecosystem based on cork pine fluctuating zone in reservoir tail Download PDFInfo
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- 238000010276 construction Methods 0.000 title claims abstract description 8
- 235000008331 Pinus X rigitaeda Nutrition 0.000 title claims abstract 20
- 235000011613 Pinus brutia Nutrition 0.000 title claims abstract 20
- 241000018646 Pinus brutia Species 0.000 title claims abstract 20
- 239000007799 cork Substances 0.000 title claims abstract 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 96
- 238000000034 method Methods 0.000 claims abstract description 27
- 241000196324 Embryophyta Species 0.000 claims abstract description 21
- 239000002689 soil Substances 0.000 claims description 60
- 239000003337 fertilizer Substances 0.000 claims description 29
- 150000001875 compounds Chemical class 0.000 claims description 16
- 235000014676 Phragmites communis Nutrition 0.000 claims description 11
- 230000001502 supplementing effect Effects 0.000 claims description 9
- 235000005273 Canna coccinea Nutrition 0.000 claims description 5
- 240000008555 Canna flaccida Species 0.000 claims description 5
- 241000209128 Bambusa Species 0.000 claims 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 235000010254 Jasminum officinale Nutrition 0.000 claims 1
- 240000005385 Jasminum sambac Species 0.000 claims 1
- 244000273256 Phragmites communis Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 240000001398 Typha domingensis Species 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 8
- 241001487832 Cupressus duclouxiana Species 0.000 description 59
- 241000018651 Pinus tabuliformis Species 0.000 description 25
- 235000011610 Pinus tabuliformis Nutrition 0.000 description 22
- 230000012010 growth Effects 0.000 description 14
- 241001494508 Arundo donax Species 0.000 description 9
- 230000006978 adaptation Effects 0.000 description 7
- 240000005308 Juniperus chinensis Species 0.000 description 6
- 241000233948 Typha Species 0.000 description 6
- 240000007263 Pinus koraiensis Species 0.000 description 4
- 235000011615 Pinus koraiensis Nutrition 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 241000894007 species Species 0.000 description 4
- 235000005205 Pinus Nutrition 0.000 description 3
- 241000218602 Pinus <genus> Species 0.000 description 3
- 235000011609 Pinus massoniana Nutrition 0.000 description 3
- 230000008635 plant growth Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 240000005020 Acaciella glauca Species 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- 235000008582 Pinus sylvestris Nutrition 0.000 description 2
- 241000746966 Zizania Species 0.000 description 2
- 235000002636 Zizania aquatica Nutrition 0.000 description 2
- 244000085595 Zizania latifolia Species 0.000 description 2
- 235000004259 Zizania latifolia Nutrition 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000001617 migratory effect Effects 0.000 description 2
- 239000001839 pinus sylvestris Substances 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 241001518821 Typha orientalis Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 235000015097 nutrients Nutrition 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/28—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for farming
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Abstract
本发明提供了一种基于水松的库尾消落带林泽生态系统高效构建方法，选择水松为耐水淹的大型乔木，且要求在最高水位淹没后水松的树顶超过最高水位20～80cm；先在库尾消落带的沿河岸带附近高密度种植水松树苗，种植间距为(1～3)m×(1～3)m；待长出气生根后，移栽部分种植的水松到附近区域低密度种植，使水松的种植间距为(3～9)m×(3～9)m。本发明优化了林泽生态系统的建设方法，使库尾消落带地区在水淹、退水等情况下，生态系统能快速适应生境的改变。
The invention provides a method for efficiently constructing a forest and zealot ecosystem in a reservoir tail ebb and flow zone based on the corkscrew. The corkscrew is selected as a large-scale tree that is resistant to flooding, and the tree top of the corkscrew is required to exceed the highest water level by 20-20% after being submerged at the highest water level. 80cm; firstly plant water pine seedlings in high density near the riparian zone of the reservoir tail ebb and flow zone, with a planting spacing of (1-3) m × (1-3) m; after the aerial roots grow, transplant part of the planted water. The pine is planted at a low density in the nearby area, so that the planting spacing of cork is (3-9) m × (3-9) m. The invention optimizes the construction method of the Linze ecosystem, so that the ecosystem can quickly adapt to the change of the habitat in the reservoir tail ebb and flow zone under the conditions of flooding, receding water and the like.
Description
Technical Field
The invention relates to the technical field of ecological management, in particular to a method for efficiently constructing a forest ecosystem of a reservoir tail hydro-fluctuation belt based on Chinese pine.
Background
With the development of economic society, the capability of people to reform the natural environment is continuously enhanced, and meanwhile, the stability of an ecological system is also damaged. The reservoir construction has multiple economic benefits of irrigation, flood control and drought resistance, shipping, power generation, cultivation and the like, but the reservoir construction can change the original landform and bring immeasurable loss to the original ecological system. For example, hydrological changes and water level increase, particularly in a hydro-fluctuation zone area, the biological habitat changes frequently, so that the ecological system is unstable, and the reservoir-tail wetland is seriously degraded.
Scientific research finds that the number of migratory birds in other wetland parks outside the lake area of the Poyang lake basin, particularly in the wetland park area based on small and medium-sized reservoirs, is gradually increased. The habitat of the migratory birds is protected, a stable ecological system is constructed, and the method has important significance for ecological restoration and reconstruction after reservoir development.
The water level change of the reservoir tail is influenced by rainfall, artificial control and the like, and the change is huge. Particularly in the hydro-fluctuation belt area, has obvious hydrological characteristics of flooding in rich water, drought in dry water and the like. As the water level regulating capacity of medium and small-sized reservoirs and the like is far greater than the fluctuation speed of natural rivers and lakes, the ecological systems in the water-level-fluctuating zone areas such as the reservoirs and the like are very fragile. Therefore, the ecological system restoring capability of the hydro-fluctuation belt area is enhanced, and the incompatibility of wild animals caused by drastic change of the habitat is reduced, so that the ecological environment-friendly ecological system has great ecological value.
Disclosure of Invention
The invention aims to overcome at least one of the defects in the prior art and provides a method for efficiently constructing a pond tail hydro-fluctuation belt forest ecosystem based on Chinese pine. The purpose of the invention is realized based on the following technical scheme:
the invention provides a method for efficiently constructing a forest ecosystem of a reservoir tail hydro-fluctuation belt based on Chinese pine, which comprises the following steps:
s1, selecting saplings: selecting the Chinese cypress as a sapling planted on a soil pile, and requiring the top of the Chinese cypress to exceed the highest water level by 20-80 cm after the Chinese cypress is submerged at the highest water level;
s2, planting: planting the Chinese cypress at high density near a riparian zone of the reservoir tail hydro-fluctuation belt along a river bank zone, wherein the planting distance is (1-3) mx (1-3) m;
s3, transplanting: after aerial roots grow, transplanting part of the planted Chinese cypress to a nearby area for low-density planting, and enabling the planting distance of the Chinese cypress to be (3-9) mx (3-9) m.
The invention preferably selects the Chinese cypress as a large arbor of a forest ecosystem in a hydro-fluctuation zone, the Chinese cypress is a flood-resistant large arbor, has strong adaptability to soil, can be planted beside rivers and dikes, and can be used for reinforcing dikes and protecting banks and preventing wind. In the flooding period, the tree tips are guaranteed to be exposed to the water surface for 20-80 cm, the tree tips are guaranteed not to be remained when water does not flood, and the pinus tabulaeformis still capable of normally growing, so that the tree tips have strong recovery capability after being dewatered; the root system of the Chinese cypress is developed, so that the Chinese cypress has the functions of water and soil fixation and extremely strong water retention, is beneficial to the attachment process of seeds, and has an important function of improving water quality; therefore, the Chinese cypress can greatly improve the vegetation recovery capability of the hydro-fluctuation belt. Transplanting after the Chinese cypress grows aerial roots, wherein the aerial roots are favorable for the stable growth of the Chinese cypress and play the roles of water and soil fixation and water retention. The planting distance of the Chinese cypress is convenient for the survival of trees and birds, and the boat can be used, thereby being beneficial to forming a good ecological system. And the tree form of the Chinese cypress is beautiful, the leaves do not fall off in winter, and the landscape effect is good. In addition, the Chinese cypress belongs to endangered species and national grade I emphasis protection wild plants, and a forest ecosystem is constructed on the basis of the Chinese cypress, so that the endangered species population can be protected.
Preferably, two cases are included:
a) for the reservoir tail hydro-fluctuation belt with the gradient less than or equal to 30 degrees, step S2 is to plant the Chinese cypress directly and high-density near the riparian zone;
b) for the bank tail hydro-fluctuation belt with the gradient of 30 degrees to 60 degrees, the method also comprises the step S0: land preparation: carrying out terrain reconstruction and plasticity on the reservoir tail hydro-fluctuation belt, and obtaining a plurality of gullies and a plurality of soil heaps which are transversely arranged at intervals near a riverside bank of the reservoir tail hydro-fluctuation belt by ditching and soil heaping; step S2 is to plant the pinus koraiensis on the soil heap at high density.
For the area with larger gradient, the planting of the pinus koraiensis is not facilitated, so the gullies and soil heaps are obtained by digging the gullies and piling the soil, on one hand, the flooding-resistant height of the tree seeds can be improved, on the other hand, after the water is removed, part of the wetland can be reserved in the gullies, the drought condition is relieved, and the growth of plants in the gullies is facilitated.
Preferably, step S0 further includes digging a sediment pile on the soil pile, wherein the sediment contains nutrients necessary for plant growth to provide fertilizer for the growth of plants such as Chinese pine.
Preferably, the diameter of the saplings of the Chinese pine in the step S2 is 3-12 cm.
Preferably, step S3 further comprises planting small aquatic plants including one or more of reed, arundo donax linn, zizania latifolia, canna humilis, typha orientalis, drocalamus latifolia between and/or around the low-density planted pinus koraiensis. Thus, the diversity of organisms is increased, and a diversified ecological system is formed.
Preferably, the method further comprises the step S4: and water and fertilizer management, which comprises the steps of supplementing compound fertilizer around the Chinese pine and/or supplementing water to the Chinese pine to accelerate the growth adaptation of trees.
Preferably, the application amount of the compound fertilizer is 2-8 kg/mu.
Preferably, step S4 further comprises cutting off the excess branches and leaves of the pinus koraiensis in a long-term drought period to improve the survival rate of the transplanted tree species.
The invention also provides a reservoir-tail hydro-fluctuation belt forest ecosystem based on the Chinese red pines, which comprises a plurality of gullies and a plurality of soil piles which are transversely arranged at intervals along a river bank at the edge of the hydro-fluctuation belt, wherein the Chinese red pines are planted on the soil piles, and the top of a tree exceeds the highest water level by 20-80 cm after the Chinese red pines are submerged at the highest water level.
Preferably, small aquatic plants are planted between the Chinese pines and/or in the positions where the ravines are close to the soil heap.
The invention also provides a method for restoring vegetation in the reservoir tail hydro-fluctuation belt, which is used for restoring by using any one of the above-mentioned methods for efficiently constructing the reservoir tail hydro-fluctuation belt forest ecosystem based on the Chinese pine.
The invention can obtain at least one of the following beneficial effects:
1. according to the invention, the strong water-resistant arbor pinus sylvestris is planted to construct a forest ecosystem mainly comprising the pinus sylvestris, so that the vegetation recovery capability of the hydro-fluctuation belt can be greatly improved, and the ecosystem can be quickly adapted to the change of the environment under the conditions of flooding, water withdrawal and the like in the area of the hydro-fluctuation belt at the tail of the reservoir. The invention enhances the recovery capability of the ecological system in the hydro-fluctuation belt area, reduces the inadaptability of wild animals caused by drastic change of the habitat, and has great ecological value. Meanwhile, the landscape effect of the invention is good, and the invention is also beneficial to the population protection of endangered species of the pinus.
2. For the reservoir tail hydro-fluctuation belt with a large gradient, the method provided by the invention has the advantages that the ditches and the soil are piled in the reservoir tail hydro-fluctuation belt area, the wetland strong-water-resistant arbor pinus is planted on the soil pile, the planting method of the pinus in the reservoir area hydro-fluctuation belt is optimized, the construction method of the forest ecological system is optimized, and the ecological system can be quickly adapted to the change of the habitat under the conditions of flooding, water withdrawal and the like in the reservoir tail hydro-fluctuation belt area.
3. The ecological system constructed by the invention is particularly suitable for wetland park reservoir tail areas and important river flood plain areas which are mainly constructed by medium and small reservoirs.
Drawings
FIG. 1(a) is a schematic diagram of the canyon hydro-fluctuation belt at the highest water level, and FIG. 1(b) is a schematic diagram of the canyon ecosystem of the canyon hydro-fluctuation belt in the preferred embodiment of the present invention;
FIG. 2 is a top view of FIG. 1 (b);
fig. 3 is a diagram of the actual effect of the forest ecosystem of the tailed hydro-fluctuation belt in the preferred embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1(a) is a schematic representation of the tailed-reservoir hydro-fluctuation zone at the highest water level, with the soil barren and vegetation depleted. Wherein, A refers to the highest water level, B refers to the normal water level, and C refers to the low water level; the maximum water level means a water level at a height position along the riparian zone 1 in rainy season. Compared with the above, the structure of the linza ecosystem based on the watershed of the komatsu constructed by the preferred embodiment of the present invention is shown in fig. 1(b) and fig. 2, and includes a plurality of ravines 3 and a plurality of soil heaps 2 which are transversely arranged along the riparian zone 1 of the komatsu hydro-fluctuation zone at intervals, the water plants 4 are planted on the soil heaps 2, small aquatic plants 5 are planted between the water plants 4 and/or at positions where the ravines 3 are close to the soil heaps 2, the direction of the soil heaps 2 is the same as that of the riparian zone 1, and the soil heaps 2 can be partially or completely exposed from the water surface at the normal water level and below, and the depth of the ravines 3 is about 2.5-4 m. Fig. 3 is a diagram of the actual effect of the forest ecosystem. The land preparation time of the reservoir tail hydro-fluctuation zone is a dry season, namely the water level is lower than the low water level, about 12-2 months, and the planting time is about 3 months.
Example 1
A method for efficiently constructing a forest ecosystem of a reservoir tail hydro-fluctuation belt based on Chinese pine comprises the following steps:
s1, soil preparation: in the dry season, carrying out terrain reconstruction and plasticity on a reservoir tailing falling zone area with the gradient of more than or equal to 30 degrees and less than or equal to 60 degrees, digging and piling soil to obtain gullies and soil heaps, piling silt at the bottom of the dug water on the soil heaps for supplying fertilizer, designing 1 soil heap on a water bank, and then designing 1 soil heap at intervals of 1 gully;
s2, selecting saplings: selecting a Chinese cypress seedling with the top of the Chinese cypress seedling exceeding the highest water level by 40-50 cm and the diameter of 5-8 cm, wherein the Chinese cypress seedling is planted on the soil pile after being submerged at the highest water level;
s3, planting: firstly planting the saplings of the Chinese cypress in a soil pile at high density, wherein the planting distance is 2m multiplied by 2m, after aerial roots grow out, transplanting part of the planted Chinese cypress to a nearby area for low-density planting, and enabling the planting distance of the Chinese cypress to be 6m multiplied by 6 m; then planting small aquatic plants including reed, bamboo reed, cane shoots and canna humilis in positions with gullies close to the soil heap among the low-density planted Chinese pines, wherein the proportions of the reed and the bamboo reed in the small aquatic plants are respectively about 25%;
s4, water and fertilizer management: taking a countermeasure in time according to the growth vigor of the trees, for barren water banks, supplementing compound fertilizer (15-15-15) around the Chinese junipers, wherein the application amount of the compound fertilizer is 4 kg/mu to accelerate the growth adaptation of the trees; when the temperature is high and the water is dry, the water is supplemented to the Chinese cypress properly, and the redundant branches and leaves of the Chinese cypress are cut off in a long-time drought period.
Example 2
A method for efficiently constructing a forest ecosystem of a reservoir tail hydro-fluctuation belt based on Chinese pine comprises the following steps:
s1, soil preparation: carrying out terrain transformation and plasticity on a reservoir tailing falling zone area with the gradient of more than or equal to 30 degrees and less than or equal to 60 degrees, digging and piling soil to obtain gullies and soil heaps, digging and piling silt at the bottom of water on the soil heaps for supplying fertilizer, designing 1 soil heap on a water bank, and then designing 1 soil heap at intervals of 1 gully;
s2, selecting saplings: selecting a Chinese cypress seedling with the top 30-60 cm higher than the highest water level and the diameter of 5-10 cm, which is planted on the soil pile after the top water level is submerged;
s3, planting: firstly planting the saplings of the Chinese cypress in a soil pile at high density, wherein the planting distance is 1.5m multiplied by 1.5m, transplanting part of the planted Chinese cypress to a nearby area for low-density planting after aerial roots grow out, and enabling the planting distance of the Chinese cypress to be 4.5m multiplied by 4.5 m; then, small aquatic plants including reed, arundo donax linn, cattail and droughhaired bevel grass are planted among the low-density planted Chinese pines and at the positions of gullies close to the soil heap, and the proportions of the reed, the arundo donax linn and the cattail are respectively about 25%;
s4, water and fertilizer management: taking a countermeasure in time according to the growth vigor of the trees, for barren water banks, supplementing compound fertilizers (15-15-15) around the Chinese junipers, wherein the application amount of the compound fertilizers is 5 kg/mu so as to accelerate the growth adaptation of the trees; when the temperature is high and the water is dry, the water is supplemented to the Chinese cypress properly, and the redundant branches and leaves of the Chinese cypress are cut off in a long-time drought period.
Example 3
A method for efficiently constructing a forest ecosystem of a reservoir tail hydro-fluctuation belt based on Chinese pine comprises the following steps:
s1, soil preparation: carrying out terrain transformation and plasticity on a reservoir tailing falling zone area with the gradient of more than or equal to 30 degrees and less than or equal to 60 degrees, digging and piling soil to obtain gullies and soil heaps, digging and piling silt at the bottom of water on the soil heaps for supplying fertilizer, designing 1 soil heap on a water bank, and then designing 1 soil heap at intervals of 1 gully;
s2, selecting saplings: selecting a Chinese cypress seedling with the top of 50-60 cm higher than the highest water level and the diameter of 3-7 cm, which is planted on the soil pile after the Chinese cypress seedling is submerged at the highest water level;
s3, planting: firstly planting the saplings of the Chinese cypress in a soil pile at high density, wherein the planting distance is 2m multiplied by 2m, after aerial roots grow out, transplanting part of the planted Chinese cypress to a nearby area for low-density planting, and enabling the planting distance of the Chinese cypress to be 8m multiplied by 8 m; then planting small aquatic plants including typha, zizania latifolia and hygienical canna between the low-density planted Chinese pines and at the positions where gullies are close to soil heaps, wherein the proportion of the typha is about 60%;
s4, water and fertilizer management: taking a countermeasure in time according to the growth vigor of the trees, for barren water banks, supplementing compound fertilizers (15-15-15) around the Chinese junipers, wherein the application amount of the compound fertilizers is 3 kg/mu so as to accelerate the growth adaptation of the trees; when the temperature is high and the water is dry, the water is supplemented to the Chinese cypress properly, and the redundant branches and leaves of the Chinese cypress are cut off in a long-time drought period.
Example 4
A method for efficiently constructing a forest ecosystem of a reservoir tail hydro-fluctuation belt based on Chinese pine comprises the following steps:
s1, soil preparation: carrying out terrain transformation and plasticity on a reservoir tailing falling zone area with the gradient of more than or equal to 30 degrees and less than or equal to 60 degrees, digging and piling soil to obtain gullies and soil heaps, digging and piling silt at the bottom of water on the soil heaps for supplying fertilizer, designing 1 soil heap on a water bank, and then designing 1 soil heap at intervals of 1 gully;
s2, selecting saplings: selecting a Chinese cypress seedling with the top of 50-80 cm higher than the highest water level and the diameter of 6-12 cm, which is planted on the soil pile after the Chinese cypress seedling is submerged at the highest water level;
s3, planting: firstly planting the saplings of the Chinese cypress in a soil pile at high density, wherein the planting distance is 3m multiplied by 3m, transplanting part of the planted Chinese cypress to a nearby area for low-density planting after aerial roots grow out, and enabling the planting distance of the Chinese cypress to be 9m multiplied by 9 m; then planting small aquatic plants including reed, bamboo reed, cane shoots and wet canna between the low-density planted Chinese pines and at the position where gullies are close to soil heaps, wherein the proportions of the reed and the bamboo reed are respectively 35% and 35%;
s4, water and fertilizer management: taking a countermeasure in time according to the growth vigor of the trees, for barren water banks, supplementing compound fertilizers (15-15-15) around the Chinese junipers, wherein the application amount of the compound fertilizers is 2 kg/mu so as to accelerate the growth adaptation of the trees; when the temperature is high and the water is dry, the water is supplemented to the Chinese cypress properly, and the redundant branches and leaves of the Chinese cypress are cut off in a long-time drought period.
Example 5
A method for efficiently constructing a forest ecosystem of a reservoir tail hydro-fluctuation belt based on Chinese pine comprises the following steps:
s1, selecting saplings: selecting a Chinese cypress seedling with the top 20-80 cm higher than the highest water level and the diameter of 3-12 cm, which is planted on the soil pile after the top water level is submerged;
s2, planting: firstly, planting the Chinese cypress seedlings at high density near a bank zone along a river in a bank tail hydro-fluctuation belt with the gradient of less than or equal to 30 degrees, wherein the planting distance is 2.5m multiplied by 2.5 m;
s3, transplanting: transplanting part of the planted Chinese cypress to a nearby area for low-density planting after aerial roots grow out, so that the planting distance of the Chinese cypress is 7.5m multiplied by 7.5 m; then planting small aquatic plants including reed, cattail and wild rice stem between and around the low-density planted Chinese cypress, wherein the reed and the cattail are about 40% and 40% respectively;
s4, water and fertilizer management: taking a countermeasure in time according to the growth vigor of the trees, for barren water banks, supplementing compound fertilizers (15-15-15) around the Chinese junipers, wherein the application amount of the compound fertilizers is 5 kg/mu so as to accelerate the growth adaptation of the trees; when the temperature is high and the water is dry, the water is supplemented to the Chinese cypress properly, and the redundant branches and leaves of the Chinese cypress are cut off in a long-time drought period.
Example 6
A method for efficiently constructing a forest ecosystem of a reservoir tail hydro-fluctuation belt based on Chinese pine comprises the following steps:
s1, selecting saplings: selecting a Chinese cypress seedling with the top 20-40 cm higher than the highest water level and the diameter of 3-5 cm, which is planted on the soil pile after the top water level is submerged;
s2, planting: firstly, planting the Chinese cypress seedlings at high density near a bank zone along a river in a bank-tail hydro-fluctuation belt with the gradient less than or equal to 30 degrees, wherein the planting distance is 1.3m multiplied by 1.3 m;
s3, transplanting: transplanting part of the planted Chinese cypress to a nearby area for low-density planting after aerial roots grow out, so that the planting distance of the Chinese cypress is 5.2m multiplied by 5.2 m; and then planting small aquatic plants including bamboo reeds and wild rice shoots between and around the low-density planted Chinese pines, wherein the content of the bamboo reeds is about 65%.
S4, water and fertilizer management: taking a countermeasure in time according to the growth vigor of the trees, for barren water banks, supplementing compound fertilizer (15-15-15) around the Chinese junipers, wherein the application amount of the compound fertilizer is 8 kg/mu to accelerate the growth adaptation of the trees; when the temperature is high and the water is dry, the water is supplemented to the Chinese cypress properly, and the redundant branches and leaves of the Chinese cypress are cut off in a long-time drought period.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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