17 results about "Introduced species" patented technology

The invention discloses an ecological restoration method for a subalpine meadow side slope after engineering disturbance, and the method comprises the steps: transplanting local native turf to a specific position of the side slope in a chessboard type layout mode, and stripping and filling the soil of the native turf into an unoccupied area except the transplanted turf, so that a local ecological system can be quickly restored, and the ecological restoration of the subalpine meadow side slope is facilitated. Meanwhile, the balance of a local ecological system is maintained, and the service function of the local ecological system is restored. According to the method, the local native turf is transplanted in a chessboard type layout mode, manpower and material resources are effectively saved, meanwhile, half of the native turf is transplanted to drive an original seed bank in soil to grow, vegetation coverage of the whole restoration area is promoted to be rapidly achieved, native vegetation is used for restoration, harm caused by using alien species is avoided, and the method is suitable for large-scale popularization and application. Meanwhile, the method has the advantages of low cost, high recovery speed, high survival rate and the like, and the purposes of recovering an ecological system by using local species and seed banks and recovering nature in a natural manner are achieved.

The invention discloses a method for restoring an alpine meadow engineering slope, and relates to the technical field of ecology. The method comprises the following steps: covering surface soil on a side slope of the alpine meadow to be repaired to form a slope surface; placing potentilla anserine seeds on the slope surface; shading and watering. An indigenous species potentilla anserine is used as a grass seed for ecological restoration of the alpine meadow side slope, and the potentilla anserine can adapt to a severe environment with low temperature and barren soil, is high in growth speed and can quickly improve the vegetation coverage of the slope surface; the potentilla anserine can maintain the diversity of local alpine meadow biocenosis and prevent alien species from invading; sunshade not only can prevent sunlight from directly irradiating the soil, reduce the soil temperature of the surface soil of the side slope of the alpine meadow and maintain the soil moisture, but also can reduce the loss of the surface soil and the potentilla anserine seeds in the'vacuum period 'of vegetation protection. By means of the method, the slope vegetation in the alpine meadow area can be rapidly restored, and the obvious effect on ecological restoration of the slope in the alpine meadow area is achieved.

The invention belongs to the technical field of soil heavy metal pollution remediation, and discloses a heavy metal pollution soil bioremediation method and system based on soil metagenome sequencing, and the method comprises the following steps: carrying out gene sequencing on experimental microorganism class groups in heavy metal pollution soil to determine functional microorganisms containing heavy metal resistance genes; heavy metal resistant microorganism species in the soil can be accurately identified by judging whether functional genes are contained or not, and ecological unbalance possibly caused by blind introduction of alien species is avoided; a remediation strategy taking a microbial resistance mechanism as a core can effectively reduce the bioavailability of heavy metals in the soil, and also can improve the physicochemical properties of the soil through metabolic activity to form a sustainable remediation effect; the method has the advantages of being environmentally friendly, controllable in cost, lasting in effect and the like, and an innovative path is provided for soil ecological function restoration.

The invention discloses a method for repairing alpine meadow degradation, which is characterized by comprising the following steps of: 1, comprehensively investigating and evaluating the degraded alpine meadow, and determining the vegetation type, species composition, soil condition, water source condition and degradation reason of the meadow; 2, fences are arranged in the degradation areas for sealing breeding, and the sealing breeding time is determined according to the degradation degree of the meadow, so that man-made interference and livestock trampling are reduced, and natural recovery of the meadow is promoted; and step 3, selecting local excellent grass seeds suitable for local climate and soil conditions for reseeding. The invention relates to the technical field of alpine meadow degradation restoration. According to the alpine meadow degeneration repairing method, through the measures of reseeding excellent grass seeds suitable for the local place, strengthening prevention and control of foreign species, adjusting grazing strategies and the like, the number of plant species of the meadow can be increased, species diversity is enriched, and a more suitable living environment is provided for various organisms.

Amphibious vehicle (100), for the maintenance of a wetland (P) in particular by the removal of an invasive alien species (IAS) of the type invasive aquatic plants or similar, comprising a motorized amphibious tractor (10) and a means of uprooting, said vehicle further comprising a floating trailer (30) towed by the tractor (10) and comprising a skip (31) for collecting uprooted plants, the means of uprooting being a telescopic crane (20) equipped with a grapple (21) at its free end, said grapple being configured to allow both the grasping and uprooting of invasive plants, so as to deposit them in the skip (31).

The utility model belongs to the technical field of deep sea culture work ships, and relates to a gravity type net cage and culture cabin combined culture system, which comprises a culture cabin, a gravity type net cage and a traction device used for fixing the gravity type net cage in the culture cabin, and a space is reserved between the periphery of the gravity type net cage and the inner wall of the culture cabin. The traction device comprises a transverse force traction assembly and a longitudinal force traction assembly, the transverse force traction assembly is arranged between the walking board and the gravity type net cage on the two sides of the ship side of the breeding cabin, and the longitudinal force traction assembly is arranged between the walking board and the gravity type net cage on the two sides of the bow and the stern of the breeding cabin. Advantages of the gravity type net cage and the breeding cabin are complementary, fries with small specifications can effectively resist invasion of alien species, feeding efficiency is improved, and development of a three-dimensional breeding mode or a multi-species polyculture mode can be further achieved.

The invention belongs to the technical field of ecological restoration of degraded grassland, and discloses a grass transplanting degraded grassland near-natural restoration method and application thereof, and the method comprises the following steps: investigating and diagnosing a receptor grassland in a to-be-restored area; selecting a donor grassland; cutting, and then transferring to a degraded grassland to be repaired; a heavy harrow is used for harrowing in the to-be-restored area to improve the grassland habitat of the receptor; determining the application amount of green grass; the cut green grass sections are evenly scattered on the degraded grassland area to be repaired, and then whole plants of green grass are laid on the repairing area and pressed; and starting from the reviving period of the next year, monitoring ecological restoration conditions of vegetation and soil regularly. The ecological risk possibly caused by introduction of alien species in a traditional improvement method is avoided, and the multi-nutritional-level biodiversity and the grassland ecological function of the degraded grassland are restored. The method has the advantages of low cost, quick effect and stable effect, follows the grassland ecological restoration rule, and provides an efficient, stable and sustainable near-natural solution for grassland ecological restoration.

The present application relates to the technical field of road landscape planning, and particularly relates to a road landscape planning method and device, an electronic device and a storage medium. The method comprises the following steps: firstly, a plurality of first node vectors are obtained; then, the plurality of first node vectors are classified with the minimum intra-class difference and the maximum inter-class difference as the target, and a road is divided into a plurality of first ecological sensitive sections according to the classification result; then, for each first ecological sensitive section, a view analysis is performed by a geographic information system to obtain a road landscape planning range, and a plant diversity analysis is performed according to the road planning range to obtain a plurality of ecological plots; finally, for each ecological plot, a landscape planning is performed according to ecological base data and sensitive characteristic classification. The present application defines the planning range based on GIS view analysis, combines plant diversity clustering and plot adaptation, preferentially retains original vegetation, avoids invasion of alien species, and maximally protects the integrity of the ecological system around the road.

The utility model discloses a small logistics packing box for e-commerce, which belongs to the technical field of packing boxes and comprises an outer box body, an inner box body is arranged in the center of the inside of the outer box body, a box cover is detachably connected to the top of the outer box body, a bottom plate is fixedly connected to the bottom of the outer box body, and a ventilation component and a support component are arranged between the outer box body and the inner box body. According to the pet box, pet insects can survive during transportation through the ventilation assembly, impact force generated by collision or extrusion is resisted through the protection fence, the effects of air circulation and ventilation opening tearing prevention are achieved, and the first protection shell, the second protection shell, the supporting assembly and the inner box body are matched for use, so that the safety of the pet box is improved. The double-layer protection function is achieved, and even if the external structure is damaged, the sealing performance in the box body can be maintained through the internal structure, so that filler in the inner box body is prevented from falling off in the transportation process, the culture box is prevented from being broken in the transportation process, and the function of avoiding property loss and alien species invasion is achieved.

The invention belongs to the technical field of prevention and control of invasive plant ageratina adenophora, and particularly relates to an ecological prevention and control method of ageratina adenophora based on biodiversity impedance, herbaceous plants including sorghum hybrid sudangrass, brachionia, shrubs including pigeonpea and lotus corniculatus are adopted as alternative species, and alternative planting is performed after the ageratina adenophora is removed, so that the ecological prevention and control method of ageratina adenophora is obtained. According to allelopathic experiment results and competitive effect results, sorghum sudanense, brachionia, pigeonpea and lotus corniculatus in herbaceous plants are adopted as alternative species to control ageratina adenophora. Based on the biodiversity impedance principle, the ageratina adenophora comprehensive prevention and control technology combining invasive plant prevention and control and ecological restoration is used for preventing and controlling the ageratina adenophora, the coverage of the ageratina adenophora is reduced by 96.15%, and research on the ageratina adenophora prevention and control technology is carried out in an ecologically fragile area of middle and low mountains of Gaoligong Mountain formed by factors such as alien species invasion; the invention provides the eupatorium adenophorum prevention and control technology which is low in investment, extensive in operation, continuous in control and capable of improving the ecological environment at the same time.

The invention provides a remediation method for soil in a semi-arid region, and belongs to the technical field of soil remediation. According to the remediation method for the soil in the semi-arid region, the physical structure of the soil is optimized through deep ploughing and rainwater collection, a straw matrix, the chemical environment is regulated and controlled through a composite conditioner, the biological function is enhanced through mixed sowing of local pioneer plants and a composite microbial agent, and a multi-dimensional synergistic remediation system is formed; local pioneer plants are selected, so that the invasion risk of alien species is avoided; natural materials such as degradable starch mulching film, decomposed straw and organic fertilizer are adopted and matched with the compound microbial agent, no chemical residue exists, local microbial community optimization can be promoted, and the stability of a soil ecological system can be improved; straw, cattle and sheep manure and other agricultural wastes are used for preparing a matrix and an organic fertilizer, and the raw material cost is reduced; the design of the rainwater collecting ditches is combined with natural rainwater resources, the manual irrigation cost is reduced, the soil ecosystem can be autonomously kept stable after remediation is completed, and secondary degradation is effectively avoided.

The present application relates to an ecological restoration method for in-situ resource utilization of contaminated pond sediment of sandy coast, and belongs to the technical field of ecological restoration and solid waste resource utilization. The method comprises the following steps: evaluating the pollution condition of the sandy sediment at the bottom of the eutrophic pond of the sandy coast; under the condition that the water pollutants exceed the standard but the greening planting soil does not exceed the standard, using the dry dredging and temporary storage method, transporting the sandy sediment to the greening planting area in the project area after excavation, and using the pretreated sandy sediment as the greening planting soil of the local sand vegetation. The present application avoids the secondary pollution caused by the external transportation of the sandy sediment, the restriction of the sand mining policy and the pollution disposal problem, reduces the cost, fully utilizes the nutrient elements in the sandy sediment to provide nutrition for the vegetation, plants the local sand vegetation, maximizes the survival rate of the vegetation, avoids the introduction of alien species to cause damage to the local ecology, and realizes the resource utilization and harmless utilization of the sandy contaminated sediment.

The present disclosure relates to methods of preparing cell-based products for consumption that comprise proteins from exotic, endangered, and extinct species, as well as cell-based products for consu

The invention belongs to the field of molecular identification of biological species, and discloses a specific primer probe, a kit and a detection method for identifying Auremys occidentalis and application of the specific primer probe, the kit and the detection method for identifying Auremys occidentalis. The specific primer probe comprises an upstream primer Aoc-Ft243, a downstream primer Aoc-Rt360 and a probe Aoc-P1, wherein the sequences of the upstream primer Aoc-Ft243, the downstream primer Aoc-Rt360 and the probe Aoc-P1 are respectively shown as SEQ ID NO.1-3. According to the primer probe and the PCR method, a sample with the concentration of 0.001 ng / mu L can be detected. The real-time fluorescent quantitative PCR established by the invention has the advantages of rapidness, sensitivity, accuracy and the like, is suitable for detecting the Aquacanthus spp. And the product thereof, and improves the accuracy and high efficiency of the Aquacanthus spp. Molecular identification method. Research results can be applied to rapid detection scenes such as port quarantine and on-site law enforcement, and solid technical support is provided for prevention of alien species invasion and maintenance of national biological safety.

The invention discloses a rice field alien species ampullaria gigas ecological prevention and control method which comprises the following steps: generating a paddy-upland rotation and intelligent water layer regulation and control instruction according to rice field multi-source information, destroying an ampullaria gigas inhabiting environment according to the instruction, and obtaining a first intermediate state; generating a multi-stage physical interception and sinking snail inactivation instruction according to the first intermediate state, and collecting and inactivating a migrated snail body according to the instruction to obtain a second intermediate state; generating a composite biological barrier and targeted trapping and killing instruction according to the second intermediate state, and attracting and killing ampullaria gigas in a ridge trapping belt according to the instruction to obtain a third intermediate state; and generating a central control closed-loop instruction according to the third intermediate state, returning the data of each stage according to the instruction, and dynamically optimizing the next round of regulation to realize continuous prevention and control. The method can realize zero use of the chemical molluscicide, and has the application prospects of economy, high efficiency, eco-friendliness and sustainable popularization.

The present invention discloses an artificial large-scale breeding equipment and breeding method for swallowtail butterflies in the Yangtze River Delta region, the breeding method comprising: (1) selecting a geographical location and arranging a net house; (2) selecting, arranging, and maintaining swallowtail butterflies, host plants, and nectar plants; (3) breeding swallowtail butterflies; and (4) transferring adults. The breeding equipment is constructed in an area meeting the above environmental conditions, wherein the Yangtze River Delta region, an environment with a natural temperature of 5-35°C and a relative humidity of 55%-80%, are selected. The present invention controls economic costs and artificially breeds a variety of native butterflies such as citrus swallowtail butterflies, jade-banded swallowtail butterflies, and jade-spotted swallowtail butterflies, which use citrus plants as host plants. The invention can achieve successful introduction of all insect stages from eggs to adults and ensure generational breeding, with a high breeding survival rate and less manual operation. The invention can solve the problem that the current local butterfly breeding technology in the Yangtze River Delta region is insufficient to support ecotourism and the ornament processing industry, and can also avoid the invasion of alien species and protect local butterfly germplasm resources.

The invention provides a method for analyzing the diversity of ship sediment biocenosis by using an eDNA technology, and belongs to the technical field of ship sediment biocenosis analysis. The method for analyzing the diversity of the marine sediment biocenosis by using the eDNA technology comprises the following steps: sampling a sample in a target port water area, designing and synthesizing a primer sequence, carrying out PCR amplification, product purification and PCR product quantification, constructing an Illumina PE250 library, carrying out Illumina PE250 sequencing, and analyzing a sequencing result. The primer sequences comprise at least 18 primer sequences in nucleotide sequences as shown in SEQ ID NO. 1 to SEQ ID NO. 24. By adopting the eDNA, the biocenosis diversity of the ship sediment can be accurately analyzed, and the purpose of early detection of foreign species invasion is achieved.