CN210168557U - Construction system for grass seed capture and germination growth promotion of degraded wetland in coastal mud flat - Google Patents
Construction system for grass seed capture and germination growth promotion of degraded wetland in coastal mud flat Download PDFInfo
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- CN210168557U CN210168557U CN201920852776.4U CN201920852776U CN210168557U CN 210168557 U CN210168557 U CN 210168557U CN 201920852776 U CN201920852776 U CN 201920852776U CN 210168557 U CN210168557 U CN 210168557U
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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
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Abstract
The utility model relates to a mud flat wetland environmental protection field discloses a coastal mud flat degradation wetland grass irrigation seed catches and promotes construction system that sprouts and grow very much. The construction system for grass seed capture and germination growth promotion of the degraded wetland on the coastal beach is characterized by comprising the following steps: reasonably constructing a plurality of capture bodies in the exposed area, wherein the capture bodies are 10-20m in length2The square area of the water collecting device is a unit body, and the unit body is respectively provided with a central water storage tank and an internal collecting body from inside to outsideThe utility model discloses a wetland seed bank, including a central water storage tank, a peripheral cave body, wherein, the central water storage tank is the circular or oval-shaped water storage tank that is located the cell body central point, and inside collector is four "pi" collectors that evenly distribute on the "+" line type of cell body, and the peripheral cave body is four "∩" caves bodies that the symmetric distribution that set up on the cell body diagonal line.
Description
(I) technical field
The utility model relates to a mud flat wetland environmental protection field, in particular to coastal mud flat degradation wetland grass irrigation seed capture and promote the system of constructing that sprouts and grow.
(II) background of the invention
The mudflat zone of the muddy coastal zone has the defects that seeds are difficult to attach on the ground surface and the seeds are difficult to germinate and grow due to flat terrain and serious seawater scouring, so that the coverage rate of vegetation on the ground surface of the mudflat wetland is low and part of the zone is exposed seriously. In order to change the condition of low vegetation coverage rate of the coastal beach wetland, a micro-habitat for capturing and storing plant seeds is constructed, so that the aim of introducing a plant seed bank to establish a pioneer plant community is fulfilled, and the recovery process of the plant community is accelerated.
Disclosure of the invention
The utility model discloses a remedy prior art not enough, provide a coastal mud flat degradation wetland grass irrigation seed that vegetation coverage is high, plant productivity is strong and catch and promote the structure system that sprouts and grow.
The utility model discloses a realize through following technical scheme:
a construction system for grass seed capture and germination growth promotion of a degraded coastal beach wetland takes an exposed area of the degraded coastal beach wetland as a processing object, and is characterized in that: reasonably constructing a plurality of capture bodies in the exposed area, wherein the capture bodies are 10-20m in length2The square area of the square is a unit body which is composed ofThe collecting device comprises a central water storage tank, an inner collecting body and peripheral holes, wherein the central water storage tank is a circular or oval water storage tank positioned in the central position of a unit body, the inner collecting body is four reverse U-shaped collecting bodies uniformly distributed on a cross line shape of the unit body, the peripheral holes are four ∩ holes symmetrically distributed on diagonal lines of the unit body, the position of the inner collecting body corresponds to the gap position of two adjacent peripheral holes, the interval between the two adjacent inner collecting bodies and the peripheral holes is 2.0-2.5m, and the collecting opening of the inner collecting body faces outwards.
The utility model discloses the system of founding can form the capture body micro-area that the height is uneven, the mistake is fallen to be sent, unsmooth correspondence to all construct the capture area in the inside and outside both sides of the body is collected to the peripheral cave body and inside, and central authorities department forms low-lying basin, the growing zone that sprouts of salt tolerant plant and aquatic plant of comprehensive consideration. The area of the capture body is 10-20m2The left and the right are a unit body which can be reasonably arranged according to the area of an exposed area.
The utility model discloses a more excellent technical scheme does:
the peripheral cave bodies are positioned at the positions 1.5-2.0m of the initial outer ends of the diagonals of the unit bodies, the length of the peripheral cave bodies is 1.0m, the width of the peripheral cave bodies is 50-100cm, and the inner parts of the peripheral cave bodies are slope-shaped cave bodies with the depth of 5-15cm from outside to inside; the outer side of the peripheral hole body is provided with a circumferential twist with the height of 5-10cm and the width of 20cm, and the outer side of the circumferential twist is provided with a hole pit with the width of 60-70cm and the depth of 10 cm.
The slope-shaped cave body and the cave pits at the outer side of the enclosing twist are both provided with ploughs with the depth of 15cm, so that two grass seed capture positions at the inner side and the outer side can be formed.
The internal collector is positioned at the position of 2.0-2.5m of the Cross linear intersection, the outer side of the internal collector is provided with a circumferential twist with the length of 1.0m, the width of the middle of the circumferential twist is 20cm, the height of the circumferential twist is 15cm, the widths of two sides of the circumferential twist are 20cm, and the height of the circumferential twist is 5-15cm and the circumferential twist is gradually increased.
The soil body surrounded by the inner sides of the surrounding twists is a pit with the depth of 10cm, and ploughing with the depth of 15cm is arranged in the pit; the outside of the enclosure twist is provided with a ditch body with the depth of 10cm and the width of 10cm, the ditch body is internally provided with ploughing with the depth of 15cm, and two grass-irrigating seed capturing positions on the inner side and the outer side can be formed.
The diameter of the central water storage tank is 1.0-1.5m, the depth of the central water storage tank is 50-80cm, the height of the peripheral ridge is 10cm, and the top width of the ridge is 10 cm.
The periphery of the central water storage tank and the earth ridges at diagonal positions are respectively provided with low leakage openings which are 15-20cm wide and are level with the ground surface, so that seeds can be favorably scattered and enter the central water storage tank.
The construction time of the construction system is 9-10 months in autumn, wherein grass-filled seedlings grow inside and outside the peripheral hole body and inside and outside the inner collection body respectively, reeds grow inside the central water storage tank, and reeds grow on the edge of the central water storage tank.
Preferably, the density of the grass seedlings in the peripheral cavities is 5-10 seedlings/m2The density of the grass seedlings outside the peripheral holes is 10-15 plants/m2(ii) a The density of the grass seedlings in the inner collector is 11-18 plants/m2The density of the grass seedlings outside the inner collection body is 6-13 plants/m2(ii) a The average herbage density of the inner edge of the central water storage tank is 12-15 plants/m2。
The utility model captures the grass-irrigation vegetation seeds by adjusting the roughness of the earth surface, changing the micro-terrain condition, adjusting the water and salt migration rule and bringing new individuals into the wetland seed bank; the constructed microbial habitat can promote the germination and growth of seeds and effectively improve the vegetation coverage rate and the plant productivity of the tidal flat wetland.
(IV) description of the drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, a peripheral hole body I, an internal collecting body II and a central water storage tank III.
(V) detailed description of the preferred embodiments
The present invention will be further described with reference to the following specific embodiments to facilitate understanding of the present invention.
1. Habitat characteristics of the implementation site
The bare area inside and around the coastal beach brush grass community has large sea breeze, flat topography and low surface roughness, the brush grass seeds are difficult to attach and store on the surface, the vegetation coverage rate is below 5 percent, the diving buried depth is 1.0 to 2.5m, the relative water content of the soil is 35 to 40 percent, and the salt content of the soil is 0.35 to 0.42 percent. The general expression is that the terrain is flat, the submerged depth is shallow, the soil is in a moderate saline-alkaline state, the vegetation coverage rate is low, the grass-filled seeds are difficult to store on the ground surface, and the germination and growth are difficult.
2. The utility model discloses construct the main constitution of system
(1) The system for constructing the capture body of the shrub and grass seeds mainly comprises three parts (shown in figure 1), namely a peripheral cave body I of the capture body, a collection body II inside the capture body and a central water storage tank III of the capture body. The whole structure can form capture body micro-areas which are uneven, staggered and concave-convex corresponding, capture areas are formed on the inner side and the outer side of the peripheral hole body I and the inner collection body II, a low-lying water tank is formed in the center, and the germination and growth areas of salt-tolerant plants and aquatic plants are comprehensively considered. The area of the capture body is 10-20m2The left and the right are a unit body which can be reasonably arranged according to the area of an exposed area; the construction time can be carried out in 9-10 months in autumn;
(2) 4 '∩' type cave bodies which are symmetrically distributed are arranged on the diagonal line of the unit body at the periphery of the capture body;
(3) 4 n-shaped collectors uniformly distributed at gaps corresponding to the peripheral cavities are arranged in a Cross line type inside the capture body, and the collecting openings are required to be outward;
(4) the center of the trapping body is a circular or elliptical water storage tank;
(5) the interval between each ∩ -shaped cave body and each n-shaped collector is 2.0-2.5 m.
3. Research and development technology for grass seed capture external surrounding cave body I
(1) 4 ∩ -shaped cave bodies (shown in figure 1-I) are arranged on the diagonal line at the periphery of the grass seed capture body, and the position of each cave body is positioned at the position of 1.5-2.0m of the initial outer end of the diagonal line;
(2) digging slope-shaped capture holes with different depths of 5-15cm from outside to inside, wherein the length is 1.0m, and the width is 50-100 cm; the soil in the capture hole needs to be ploughed by 15 cm;
(3) the dug soil is piled up into a semicircular surrounding twist with the height of 5-10cm and the width of 20 cm;
(4) digging a pit with the depth of 10cm and the corresponding radian at the outer side of the surrounding twist of the pit body, wherein the width of the pit is 60-70cm, and ploughing 15cm for soil in the pit. Thus, two grass seed capture positions can be formed at the inner side and the outer side.
4. Research and development technology of internal collection body II of shrub grass seed capture body
(1) Inside the grass seed capture body, 4 collectors (at the position of a figure 1-II) of a n type are arranged on a cross line in the middle, and the position of each collector is positioned at the position of 2.0-2.5m of a cross point of the cross line;
(2) the length of each reverse-U-shaped round is 1.0m, the width of the middle round side of the reverse-U-shaped round is 20cm, and the height is 15 cm; the width of the surrounding twisted edges at two sides is 20cm, but the height is set to be an arc-shaped configuration with the gradually increased height of 5-15cm, so as to form a better wind power area;
(3) digging holes with the depth of 10cm in the soil body surrounded by the inner sides of the enclosing twists, and ploughing the soil in the holes by 15 cm; the outside of the reverse-U-shaped surrounding twist corresponds to a ditch body with the outer depth of 10cm and the width of 10cm, and the soil in the ditch body needs to be ploughed by 15 cm. Thus, two grass seed capture positions can be formed at the inner side and the outer side.
5. Research and development technology of irrigation grass seed capture body central water storage tank III
(1) The center of the grass seed catching body is a circular or oval water storage tank (shown in figures 1-III), which is mainly used for grass seed catching and rain accumulation in rainy season, and is beneficial to the growth of aquatic herbaceous plants;
(2) the diameter of the water storage tank is 1.0-1.5m, the depth is 50-80cm, the height of the surrounding ridge is 10cm, and the top width of the ridge is 10 cm;
(3) low leakage openings with the width of 15-20cm and the same level with the ground surface are reserved at the ridges at the diagonal positions around the water storage tank, so that seeds can be favorably scattered and enter the water storage tank.
6. Effect and application analysis
(1) The water and salt conditions of the soil are improved
Through the reformation of the microtopography, the salt is mainly gathered at the convex part of the grass seed capture body, namely the top of each part of the accumulation body, the obvious surface gathering phenomenon is presented, and the salt content of the soil after the seeds captured in the pit are ploughed is reduced by 20 to 30 percent. The physical property of the soil water after the shrub and grass seed capture body is ploughed is obviously improved, the effective saturated water storage capacity is improved by 25-40%, and the effective storage rainfall is improved by 40-45%.
(2) The grass seeds are well intercepted, the preservation rate of grass seedlings and the vegetation coverage rate are obviously improved
After the shrub and grass seed capture body is constructed, the micro-terrain condition is obviously improved, the surface roughness is adjusted, and the soil water-salt micro-habitat is improved. By means of acting force formed by water flow and wind power, grass-irrigating seeds in surrounding zones can be well retained and stored to form a seed catcher of saline land awning, sweet wormwood, reed, tamarix and other local grass-irrigating plants of typical salt-tolerant vegetation in muddy coastal zones;
the density of the grass-filled seedlings is 5-10 plants/cm inside a ∩ -shaped cave at the periphery of the grass-filled seed capture body2The density of grass seedlings outside the '∩' type hole body is 10-15 plants/cm2；
The grass seedlings are planted at the inner hole of the reverse-U-shaped collector in the grass seed capture body, and the density of the grass seedlings is 11-18 plants/cm2The density of the shrub grass seedlings outside the reverse U-shaped surrounding twist is 6-13 plants/cm2；
The inside of the central water storage tank III of the grass seed capture body is mainly grown by reed, the edge is mainly grown by reed and suaeda salsa, and the average herbaceous density is 12-15 plants/cm2；
The preservation rate of the shrub and grass seedlings of the whole shrub and grass seed capture body is 75-82%, the vegetation coverage rate in the first year is 8-12%, and the vegetation coverage rate in the second year can reach 15-17%.
Claims (7)
1. A construction system for grass seed capture and germination growth promotion of degraded coastal beach wetland takes the exposed area of the degraded coastal beach wetland as a treatment object, and is specially used for treating the exposed areaCharacterized in that: reasonably constructing a plurality of capture bodies in the exposed area, wherein the capture bodies are 10-20m in length2The square area of the collector is a unit body, the unit body is respectively provided with a central water storage tank (III), an inner collector (II) and a peripheral hole body (I) from inside to outside, wherein the central water storage tank (III) is a circular or oval water storage tank positioned at the central position of the unit body, the inner collector (II) is four reversed-type collectors uniformly distributed on a cross line shape of the unit body, the peripheral hole body (I) is four symmetrically distributed ∩ -type hole bodies arranged on a diagonal line of the unit body, the position of the inner collector (II) corresponds to the gap of two adjacent peripheral hole bodies (I), the interval between the two adjacent inner collectors (II) and the peripheral hole body (I) is 2.0-2.5m, and the collecting opening of the inner collector (II) faces outwards.
2. The construction system for the grass seed capture and germination promotion and growth promotion of the degraded wetland on the coastal beach of claim 1, which is characterized in that: the peripheral cave body (I) is positioned at the position 1.5-2.0m of the initial outer end of the diagonal line of the unit body, the length of the peripheral cave body is 1.0m, the width of the peripheral cave body is 50-100cm, and the inner part of the peripheral cave body is a slope-shaped cave body with the depth of 5-15cm from outside to inside; the outer side of the peripheral hole body (I) is provided with a circumferential twist with the height of 5-10cm and the width of 20cm, and the outer side of the circumferential twist is provided with a hole pit with the width of 60-70cm and the depth of 10 cm.
3. The construction system for the grass seed capture and germination promotion and growth promotion of the degraded wetland on the coastal beach of claim 1, which is characterized in that: the inner collector (II) is positioned at the position of 2.0-2.5m of the cross point of the cross type of the position plus, the outer side of the inner collector (II) is provided with a surrounding twist with the length of 1.0m, the width of the middle of the surrounding twist is 20cm, the height of the surrounding twist is 15cm, the widths of two sides of the surrounding twist are 20cm, and the height of the surrounding twist is 5-15cm and is increased gradually.
4. The construction system for the grass seed capture and germination promotion and growth promotion of the degraded wetland on the coastal beach of claim 1, which is characterized in that: the diameter of the central water storage tank (III) is 1.0-1.5m, the depth is 50-80cm, the height of the peripheral ridge is 10cm, and the top width of the ridge is 10 cm.
5. The construction system for the grass seed capture and germination promotion and growth promotion of the degraded wetland on the coastal beach of claim 2, which is characterized in that: ploughing with the depth of 15cm is arranged in the slope-shaped hole body and the hole outside the enclosing twist.
6. The construction system for the grass seed capture and germination promotion and growth promotion of the degraded wetland on the coastal beach of claim 3, which is characterized in that: the soil body surrounded by the inner sides of the surrounding twists is a pit with the depth of 10cm, and ploughing with the depth of 15cm is arranged in the pit; a ditch body with the depth of 10cm and the width of 10cm is arranged on the outer side of the enclosing twist, and ploughing with the depth of 15cm is arranged in the ditch body.
7. The construction system for the grass seed capture and germination promotion and growth promotion of the degraded wetland on the coastal beach of claim 4, which is characterized in that: and low leakage openings which are 15-20cm wide and are level with the ground surface are respectively formed at the ridges at the diagonal positions around the central water storage tank (III).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920852776.4U CN210168557U (en) | 2019-06-06 | 2019-06-06 | Construction system for grass seed capture and germination growth promotion of degraded wetland in coastal mud flat |
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| CN201920852776.4U CN210168557U (en) | 2019-06-06 | 2019-06-06 | Construction system for grass seed capture and germination growth promotion of degraded wetland in coastal mud flat |
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| CN210168557U true CN210168557U (en) | 2020-03-24 |
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| CN201920852776.4U Active CN210168557U (en) | 2019-06-06 | 2019-06-06 | Construction system for grass seed capture and germination growth promotion of degraded wetland in coastal mud flat |
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