55 results about "Soil seed bank" patented technology

The invention relates to a degraded wetland vegetation in-situ recovery method, which is characterized in that according to the method, a seed bank resource remained in selected degraded wetland soil is utilized for carrying out vegetation in-situ recovery. The method comprises the following steps that 1) a soil seed bank is surveyed, and whether the degraded wetland has the vegetation in-situ recovery conditions or not and the plant types with the advantages in the soil seed bank are determined; 2) the water supplementation is carried out on regions meeting the vegetation in-situ recovery conditions in the first step, and in addition, the ground surface water level and the soil moisture content are controlled; 3) the ground surface vegetation after the degraded wetland vegetation in-situ recovery in the second step is surveyed; and 4) the successfully recovered soil seed bank is surveyed to confirm the recovery completion. The method has the advantages that the self remained soil seed bank resource is sufficiently utilized, the operation is easy, the maintenance cost is low, the vegetation recovery is fast, the species diversity is high, and the popularization and the application are easy.

The invention discloses a hydro-fluctuation belt wetland vegetation restoration proper species screening method. The method includes: investigating region vegetation, and preliminarily selecting species suitable for region vegetation restoration from the aspects of life form and growth form of species; adopting a soil seed bank germination experiment to screen to obtain omissive proper plants; inferring proper plants for vegetation restoration of a hydro-fluctuation belt according to vegetation investigation on the hydro-fluctuation belt and the soil seed bank germination experiment of the same; performing a waterlogging tolerance experiment on the proper plants, and screening proper species for region vegetation restoration; according to waterlogging tolerance and region hydrologic changing characteristics, arranging the proper species obtained by screening, and conducting practice demonstration of vegetation restoration. The method is conducive to preventing genetic drift caused by gene flow and maintaining a gene bank of local species stable, less prone to causing intrusion of foreign species and provides technical support and scientific guidance for large-area demonstration and popularization of vegetation restoration in regions like reservoir hydro-fluctuation belts, riparian zones and tidal flat wetland.

This invention provides an improved technical system for restoring deteriorated lakeside zone. The technical system comprises: utilizing variable-amplitude water level zone as the core, setting a certain range of land radiation zone and water radiation zone as the protective zone, clearing artificial interferences, restoring the base, stabilizing the bank slope, controlling near-bank wind and wave, improving large-area water body quality by using land plant floating bed technology, and improving water body transparency. The technical system selects local plant species as the pioneer species, and utilizes a combination of transplanting and introducing soil seed banks to restore and maintain the ecological system functions of lakeside zone. The technical system is highly adaptable to the environmental conditions, and has high operability and high ecological safety. The technical system can achieve good scenic effect during and after the restoration of lakeside zone.

The invention discloses a method for recovering a scirpus planiculmis wetland by utilizing seeds, relates to a method for recovering the scirpus planiculmis wetland by utilizing the seeds and aims to solve the problems that the area of an existing scirpus planiculmis wetland is sharply reduced, white cranes are seriously restricted to find food in the existing scirpus planiculmis wetland, and the work of recovering vegetation of the scirpus planiculmis wetland by utilizing the seeds is not reported yet. The method for recovering the scirpus planiculmis wetland by utilizing the seeds comprises the following steps of 1, seed collection; 2, seed treatment; 3, soil seed bank detection; 4, sowing; 5, hydrological management; 6, vegetation monitoring, thus completing the method for recovering the scirpus planiculmis wetland by utilizing the seeds. The method for recovering the scirpus planiculmis wetland by utilizing the seeds, disclosed by the invention, is applied to the field of recovering the scirpus planiculmis wetland by utilizing the seeds.

A desert dry and semi-dry turf transplantation and re-laying method suitable for roadbed construction is that turf transplantation is performed before roadbed earthwork construction, turf re-laying is performed after the roadbed earthwork construction, and finally turf maintenance is performed. The turf transplantation step further includes turf selection, turf excavation, moving and flat laying, temporary planting and watering fertilization operations, and after earthwork activities and infrastructure are finished, the turf re-laying step further includes re-laying face leveling, temporary planted turf transportation, re-laying face fertilization watering and fertilization turf joint filling operations. The final turf maintenance step includes grazing prohibition, enclosure and insect and disease prevention. Soil seed bank resources existing in an original turf are fully utilized, the turf survival rate is high, the regeneration capacity is good, the construction speed can be improved, a construction period can be shortened, an ecological environment in a construction region can be quickly recovered, and resources are saved. The desert dry and semi-dry turf transplantation and re-laying method is simple and convenient to operate, low in maintenance cost and remarkable in revegetation restoration effect, can obtain high biological diversity and landscape naturalness, has very high cost performance and is beneficial for popularization and application.

The invention relates to a method for activating a soil seed bank in a large area of an arid desert area. The method provided by the invention utilizes a substance base which is contained in the soil seed bank, is used for restoring and recovering vegetation and has the property of accelerating the vegetation of a degenerated ecosystem to rapidly recover the potential; on the basis of abiding by a reproduction principle of plants in the arid desert area, artificial pilot and overflowing are respectively carried out at a rain distributing period of seeds of main dominant species and in a germination season of multiple seeds in the soil seed bank through utilizing limited water resources including brackish water of a recovering area, ecological water drained from a flood season and the like; and a seed source is artificially supplemented through combining a step of rinsing seeds, so that the large-area activation of the soil seed bank is realized; a vegetation community of the degenerated ecosystem of the arid desert area is recovered and restored, so that an ecological recovery process of the degenerated ecosystem is accelerated and a positive succession of a plant community structure and a species diversity is realized.

The invention discloses a degraded wetland vegetation recovery method, and belongs to the technical fields of environmental protection and ecological engineering. The method comprises the following steps: conducting background situation survey on a degraded wetland region; selecting healthy wetland with habitat conditions similar to those of degraded wetland as a provenance; conducting soil layingon a degraded wetland soil laying area by means of surface soil, containing a soil seed library, in the provenance, and conducting water supplementing to recover vegetation of the degraded wetland; and the like. According to the method, the soil seed library of the healthy wetland is used for conducting ex-situ recovery on the degraded wetland, a significant recovery effect can be obtained in 1-2years, and the method is easy to operate, good in sustainability, less in manual maintenance and high in success rate, and can be used for future ecological construction and wetland recovery projects.

The invention discloses a method for restoring degraded wetland vegetation by improved wetland soil seed banks. The method comprises the following steps: 1) according to a principle of adjusting measures to local conditions, selecting a soil seed bank from natural wetland seed banks, wherein the seed density of the seed bank is not less than 5000 grains.m<-2>; 2) mixing soil seed banks with different sources, or adding naturally harvested seeds; 3) preparing a biological rhzomorph; 4) adding the biological rhzomorph obtained in the step 3) to obtain an improved soil seed bank; and 5) covering improved seed bank soil on a wetland with degraded vegetation by adopting an exotic soil method, thereby forming vegetation by natural germination. The method for restoring the degraded wetland by using the soil seed banks, disclosed by the invention, has the following advantages: 1) materials are easy to obtain, the cost is low, and the operation is simple and feasible; 2) a wetland succession law is followed, the degraded wetland vegetation is restored quickly and naturally, and the invasion of alien species is controlled; and 3) multiple species coexist, the structure is stable and can realize self-renewal, and ecological landscapes are rich.

The invention relates to a rapid germination method of soil seed bank and is achieved by the following steps of making a germination box, laying a soil sample, compensating soil moisture, confirming a germinated seedling and the like. The method solves the technical problem of carrying out the germination of the soil seed bank in large scale under controlled conditions, improves the accuracy and the scientificity of the germination experiment of the soil seed bank, has the advantages of high experimental efficiency and precision, short germination time, easy seedling identification and the like, and can be popularized in and applied to different areas.

The invention relates to a quick method for relieving water deficit of plants in arid desert areas. According to the method, the stimulation effect of water supply on a soil seed bank, the range in which soil condensate appears easily, the influence of a canopy structure on condensed water and a condensing surface made of dense nylon screens are used, so that the formation of hydroscopic water in different ranges, atmospheric water vapor condensed water and soil water vapor condensed water is promoted, an effective water supply is provided for the germination and seedling emergence of the soil seed bank, the plants are helped to overcome drought, and then the aim of relieving the water deficit of the plants in the arid desert areas is fulfilled. By the method, the survival rate of annual plants in the arid desert areas in which the amount of precipitation is less than 150mm, the amount of evaporation is more than 2,000mm and the groundwater depth is large (3 to 4m) is improved, and the invalid dissipation of the condensed water is avoided.

The invention relates to the technical field of plant repairing to heavy metal pollution in environment, and in particular relates to a repairing technology for heavy metal copper pollution in mine soil of Karst mountain areas, specifically the application of ditch millets in repairing heavy metal copper pollution of the mine soil in the Karst mountain areas. The application method comprises the following steps of: covering 2-4cm of surrounding forest litters and soil seed banks in the soil polluted by copper at first, then sowing the ditch millets, harvesting and ashing the ditch millets periodically, and thus repairing the soil polluted by the heavy metal copper. Because the ditch millets are strong in salt and alkali resistance, adaptability, growth potential and expansibility and are resistant to trampling, so that the ditch millets are particularly suitable for piecemeal thinning of soil stratum and mining areas with strong acidity in the Karst mountain areas, can improve the greening level of the areas at the same time, are simple to sow and manage, and facilitate engineering implementation.

The invention provides a method for rapidly identifying the variety and the quantity of species of a moderately severe soda salinized grassland soil seed bank. The invention relates to a rapid identification method of the salinized grassland soil seed bank. The method disclosed by the invention aims to solve the problems that the consumed time is long and the separation is difficult in a conventional method for identifying the soil seed bank. The method disclosed by the invention comprises the following steps of: sieving the taken soil, adding acid into a soil sample water solution, agitating, filtering and standing to obtain seeds in the soil; washing by utilizing water and drying; and finally, recording and identifying the variety and the quantity of the species. Compared with a conventional direct manual picking method, the method is simple and feasible; the time is shortened by about 15 times and the efficiency is improved; the separation accuracy is guaranteed; the acid is added into the soil solution to neutralize alkaline salts in the soil; meanwhile, chemical properties and physical properties of the soil are changed and the problems that the salt content of soft soda saline-alkali soil is high, the pH (Potential of Hydrogen) is high, the physical properties are worsened and the like are solved; and the method disclosed by the invention can be used for rapidly identifying the moderately severe soda salinized grassland soil seed bank.

The invention relates to the technical field of grassland ecology, and especially relates to a soil seed bank donation method for recover of deteriorated grassland. Soil sampling is performed at different depth, germination cultivation is performed on soil samples, and sampling spacing distance of the samples is at least 2m; 60% or more of soil seeds are generally centralized within 5cm, 90% or more of the soil seeds are centralized within 10cm, and the soil seeds are ensured to be effectively collected during sampling and soil taking. Zones of which the cover degree of soil native vegetation is lower than 20% are deteriorated zones, and zones of which the cover degree of soil native vegetation is 60-80% are seed bank donation zones; and the soil native vegetation is utilized to restore the deteriorated zones, seeds and fertilizer are not added artificially, native zone vegetation characteristics are guaranteed, native vegetation ecology is convenient to keep, and invading and disturbing of foreign vegetation are reduced. The seed bank donation zones are divided into soil taking zones and reserve zones, soil taking depth in each soil taking zone is 10cm, and the soil taking area is 2m<2>, spacing between adjacent soil taking zones is 10m, and the periphery of each soil taking zone is provided with the reserve zones; and the seed bank donation zones still keep self vegetation ecology, and therefore ecological change of the seed bank donation zones is prevented.

The invention relates to a coastal reclamation land ecological restoration and greening method comprising the steps of landform finishing, land surface processing, vegetation construction, draining arrangement and later maintenance, etc. Starting from the angle of ecological restoration, the method follows the principle of respecting the nature, acting according to the circumstances and saving resources so that the disadvantages of the existing treatment method can be overcome, the surface vegetation system is constructed in a relatively short period of time by using the technical methods of landform finishing, water treatment landscapes, land coverage, soil seed bank utilization and plantation of proper plants and thus the objectives of coastal reclamation land ecological restoration and greening can be realized.

The invention provides a method for recovering vegetation in a desertified land in an extremely droughty area. The method relates to a movable temporary irrigation system which is used to supplement water to the desertified soil to promote the germination and growth of seeds in a soil seed bank; soil drought is used to induce plants with deep roots to grow downwards; and underwater or other water resources are used to achieve self-maintenance growth of the plants without irrigation. The method is different from a traditional high-investment forestation and vegetation recovery method, has the advantages of low investment and good effect, and is applicable to areas having certain water resources in the extremely droughty area.

A method for restoring the vegetation of saline-alkaline land by use of less foreign soil includes such steps as mixing the foreign soil with organic mass, metallic complex irons, fertilizer and adhesive, granulating, putting the chosen seed in each pellet, burying the pellets in ground, and building dam for collecting water to make the seed germinate.

The invention discloses a method for accurately simulating the response of a grassland soil seed bank to soil temperature increase, relates to a method for simulating the response of a soil seed bank to soil temperature increase and aims at solving the problem that a traditional heating tube method is non-uniform in soil temperature change, is easily unstable and cannot accurately quantify temperature increase amplitude. The method comprises the steps that 1, the soil seed bank is sampled; 2, a germination utensil is punched; 3, germination utensil holes are protected; 4, a carbon fiber heating cable is laid; 5, a culture medium is charged; 6, a temperature probe is buried; 7, the heating cable is connected with the temperature probe; 8, the temperature increase amplitude is set; 9, the soil seed bank sample is spread; 10, conventional watering management is performed. The method adopts the simple tools, is convenient to operate and remarkable in effect, can accurately increase the temperature increase amplitude, performs automatic power off after the temperature is reached and is used for simulating the response of the soil seed bank to the soil temperature increase.

The invention discloses a quantitative weed monitoring method. The quantitative weed monitoring method can be used for guiding the selection of weed prevention and control measures, belongs to the field of plant protection, and particularly relates to investigation of a soil seed bank before planting by utilizing a seedling stage four-level visual inspection method, a growth stage sampling method, a mature stage seven-level visual inspection method. The method can be used for rapidly and quantitatively monitoring the weeds in a farmland in different farming modes in the whole growth period, and implementing a targeted weed control strategy according to the quantitative indexes of the weeds in the farmland, so that the aim of continuously preventing and controlling the weeds is fulfilled. The occurrence rule and the occurrence dynamic of the weeds can be determined by continuous monitoring, the prevention and control measures of the weeds are reasonably implemented, the using times and the using amount of the herbicide are reduced, the occurrence of the weeds is effectively controlled, the planting cost is obviously reduced, and the environmental pollution is reduced.

The invention discloses a method for reclaiming a strip mine dump by using a grassland native plant seed bank. The method comprises the following steps: performing ecological investigation on grassland around a strip mine; sampling a protophyte seed bank; repairing sampling traces; repairing the soil dump of the strip mine; and maintaining the ecological reclamation area. According to the method, the local ecological condition of the area is scientifically found out, the meadow of the grassland on the periphery of the strip mine dump is used as the seed bank, species in the reclamation area and the grassland on the periphery are matched to the maximum extent, and meanwhile the problem that many species can only grow through a natural seed bank and cannot be artificially cultivated is solved; according to the method, after the seed bank is taken from the grassland meadow, the original position is simply and manually intervened and repaired, and the grassland vegetation coverage is quickly recovered by using natural restoring force; according to the method, when the grassland seed bank is utilized to reclaim the dumping site, the natural restoring force is fully considered, the use of the soil seed bank is saved to the maximum extent, and then the damage to surrounding grassland is reduced.

The invention provides a comprehensive control method for water and soil loss in loess plateau gully regions. The comprehensive control method includes (1) landform engineering changing: setting continuous square grids with the same length according to the landform of a loess plateau gully region and the water and soil loss direction; and (2) plant cultivation: selecting ecological plants capable of growing in the loess plateau gully region from a local soil seed bank, and planting the ecological plants in the square grids. Based on the engineering measures, the landform resistance of the loess plateau gully region is increased, and then water and soil loss can be prevented; with plant growth as a lead, the coverage degree of an earth surface is increased; with a functional high polymer water-retaining agent as a guarantee, the survival rate of the plants can be improved, the growth of the plants is promoted, and ecological environment healthy treatment of water and soil loss in loess plateau gully regions can rapidly achieved. The comprehensive method is tested in a Gansu huanxia tianshui region, acquires a good effect, can remarkably improve the plant survival rate and the vegetation coverage rate, and can rapidly and remarkably prevent water and soil loss.

The invention discloses an arid desert area mine slash vegetation ecological restoration artificial seed bank. The artificial seed bank comprises the following components in parts by mass: 1-3 parts of regional pioneer vegetation seeds, 15-30 parts of regional dominant vegetation seeds, 50-125 parts of a drought-resistant restoration matrix and 0.70-0.80 part of a bird, mouse, rabbit and poultry repellent. The invention also provides a preparation method thereof. The artificial seed bank achieves the purpose of large-area soil seed bank supplementation during ecological restoration of the mineslash in the arid desert area, the germination rate is increased, growth in the seedling stage is promoted, the stress resistance is improved, natural germination forms vegetation communities, multiple species coexist, the structure is stable, and self-renewal and restoration of the ecological restoration area are achieved; the desert vegetation artificial seed bank is easily available in materials, low in cost, simple and feasible, and suitable for popularization and application in the technical field of vegetation ecological restoration of mine slash in arid desert regions.

The invention discloses a method for restoring degraded grassland vegetation by using a grid-like hemp rope mesh belt, including the steps of making a grid-like hemp rope mesh belt for laying on degraded grassland, wherein a hemp rope for making the grid-like hemp rope mesh belt is 0.8 cm to 1.5 cm thick, and multiple hemp ropes are woven into the grid-like hemp rope mesh belt by knotting and fixing; the grid side length of the grid-like hemp rope mesh belt is 25 cm to 35 cm, and the width of the mesh belt is 1.1 m to 1.3 m; when the rainy season comes, the grid-like hemp rope mesh belt is laid along the contour line on the ground of the degraded grassland. During natural precipitation, the hemp ropes are fully wetted by rainwater; under the action of gravity of the hemp ropes absorbing water, grids fully contact the surface of the degraded grassland to form closed three-dimensional grids; the three-dimensional grids can reduce surface runoff, retain natural precipitation, improve theutilization efficiency of natural precipitation, intercept seeds spread by wind, increase soil seed banks of the degraded grassland, and increase surface soil fertility in the grids.

The invention relates to a restoration method for vegetation of an alpine meadow ecosystem. The restoration method comprises the following steps of 1, enclosing of a sample plot; 2, application of a particulate fertilizer, wherein fertilizer application is mainly conducted in the early growth stage of plants generally in the middle and last ten days of May, farmyard manure, diammonium hydrogen phosphate and a compound fertilizer serving as a base fertilizer are mainly applied and uniformly spread, and the fertilizer application amount is determined according to the properties of soil; 3, raking ploughing; 4, membrane covering for thermal insulation, wherein when membrane covering is not needed generally, a breathable shading net is adopted as required; 5, reseeding of local grass seeds. Bymeans of the restoration method, the native soil resources of a to-be-restored area are fully utilized, and biological invasion caused by soil seed banks mixed in a foreign soil source to the alpinemeadow ecosystem is reduced.

The invention relates to a soil seed bank germinating device and a using method. The soil seed bank germinating device comprises a tray, sponge and a germinating disc; the sponge for absorbing water is placed in the tray; the germinating disc is arranged on the sponge and is used for holding soil used for detecting a soil seed bank; a plurality of through holes are formed in the bottom surface, in contact with the sponge, of the germinating disc and are used for diffusing the water in the sponge upwards to the soil in the germinating disc.

The invention discloses an identification method of hardened salinity soil seed bank seedlings. The identification method comprises the following steps: (1) soaking and dispersion of hardened salinity soil; (2) flood rinsing of the hardened salinity soil; (3) seedling nutrition planting method in the hardened salinity soil. The identification method has the benefits that the identification method of hardened salinity soil seed bank seedlings provided by the invention solves the problems that soil hardening seriously impacts the germination of seedlings and that seeds cannot germinate caused by the facts that the soil is high in salinity and the soil solution is high in osmotic potential in the prior art, and provides a more accurate identification method for the research of hardened salinity soil seed banks.

The invention discloses a method for replacement control of crofton weeds by corns, and belongs to the field of biological control. The method includes the steps of corn sowing, timely weeding, targeted fertilization and the like on a land growing the crofton weeds, the crofton weeds are replaced by the corns and can be rapidly and effectively removed, and harmful spreading of the crofton weeds can be continuously reduced. After sowing, the corns rapidly germinate and grow in the whole growth period and are large in biomass and high in light interception ratio, a crofton weed land soil seed bank can be remarkably reduced by tillage before planting and management after planting, crofton weed seedling emergence is inhibited, replacement control of the crofton weeds is effectively achieved, soil fertility can be increased, and the crofton weeds serve as plants with economic utilization values.

The invention discloses a seedling identification system and method of a soil-hardening salination soil seed bank, and belongs to the technical field of identification of the soil seed bank. The identification system comprises a time control module, a temperature control module, a central control module, an immersion module, a rinsing module, a seedling culturing module and a species quantity identification module. The problem that severe soil hardening influences germination of seedlings in the prior art is solved via the immersion module, the rinsing module and the seedling culturing module,and a more accurate identification method is provided for research on the soil-hardening salination soil seed bank; the species quantity identification module plants screened seeds in the appropriatesoil environment directly; and the types and quantity of species separated by the method are both exceed those of a traditional manual sorting method respectively, and it is shown that the precisionand efficiency are both higher than those of the traditional method respectively.

The invention belongs to the technical field of ecological environment engineering, and in particular relates to a restoration method of subalpine forest grass soil under the birch forest in Changbai Mountain. The invention achieves the purpose of restoring the subalpine forest grass soil under the Changbai Mountain betula forest through methods such as artificial soil synthesis and adjustment, soil seed bank construction, soil protection, and extermination of alien species in the soil. The method is simple, easy to popularize, and can obtain good ecological benefits.