CN102057852B - Method for building local mangrove forest on intertidal zone unsuitable for forestation - Google Patents

Method for building local mangrove forest on intertidal zone unsuitable for forestation Download PDF

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Publication number
CN102057852B
CN102057852B CN201010545915A CN201010545915A CN102057852B CN 102057852 B CN102057852 B CN 102057852B CN 201010545915 A CN201010545915 A CN 201010545915A CN 201010545915 A CN201010545915 A CN 201010545915A CN 102057852 B CN102057852 B CN 102057852B
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pagatpat
beach
mangrove
forest
mangrove forest
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CN102057852A (en
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昝启杰
谭凤仪
刘莉娜
杨琼
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Shenzhen Research Institute of CityU
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Shenzhen Research Institute of CityU
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22Improving land use; Improving water use or availability; Controlling erosion
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/40Afforestation or reforestation

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Abstract

The invention relates to a method for building a local mangrove forest on an intertidal zone unsuitable for forestation, belonging to the technical field of forestation on the intertidal zone. The method comprises the steps of: planting a Sonneratia apetala forest on the intertidal zone unsuitable for forestation; after the Sonneratia apetala forest is planted for 2-3 years, eliminating all Sonneratia apetalas ; and re-planting the local mangrove forest on the intertidal zone after the Sonneratia apetalas are eliminated. The mangrove forest is built on the intertidal zone unsuitable for forestation by applying the method provided by the invention, which can not cause interference on a coast wet land environment, but also avoids the ecological invasion risk; and the mangrove forest has a high survival rate.

Description

A kind of method of on non-beach suitable for afforestation, building mangrove forest of one's native land
Technical field
The present invention relates to a kind of on beach the method for forestation of plantation mangrove forest of one's native land, especially a kind of method of on mangrove plant of one's native land can't the middle low tide band beach non-suitable for afforestation of self-sow, building mangrove forest of one's native land.
Background technology
The mangrove forest wetland generally is positioned at the staggered band in extra large land; Mainly concentrate on the seashore intertidal zone beach that periodically soaked by seawater to flood; By Atmosphere System, land system and aqueous systems altogether same-action form, be wetlands ecosystems constructive species, that be in extra large Lu Bianyuan to have the unique hydrology, Biogeochemistry and ecological functions with the mangrove kind.The mangrove forest wetland is one of four big high productivity marine ecosystems in the world, in the Global Ecological balance, plays irreplaceable important function.At present, owing to reasons such as population pressure and economic developments, global mangrove forest area presents the trend that continues atrophy, and the seashore length of distribution mangrove forest descends, wetland resource situation and ecological functions severe exacerbation thereof.In recent years, mangrove forest is all built artificial energetically by China The South China coastal each province, recovers strand mangrove forest wetland, makes up coastal protective coast-forest system, ensures the seashore ecological safety.Because mangrove plant has been filled out to land suitable for afforestationly mostly or has been enclosed and cultivated as economic industries such as development aquaculture, plant husbandry, recovers the mangrove forest wetland and then need on non-middle low tide band beach suitable for afforestation, carry out.
Discover that in the manual reversion process of strand mangrove forest wetland, mangrove plant suitable growth of one's native land is on the beach of middle climax band; Growth rate is slower; Elevation and stability requirement to beach are higher, and on middle low tide band beach, mangrove of one's native land and other plant can't grow; Therefore, low beach band beach is generally naked beach or light beach in.If on non-middle low tide band beach suitable for afforestation, build mangrove plant of one's native land; At first to the middle low tide band beach on non-ground suitable for afforestation be transform as the ground suitable for afforestation of mangrove plant growth suitable of one's native land; Traditional remodeling method is through the mode that the manual work heap bankets the beach elevation to be raised; Peripheral use engineering measures such as timber or sandbag to reinforce, in order to resisting stormy waves, to keep beach height and stability, thereby reach mangrove plant growth requirement of one's native land.This kind method is bigger to the disturbance of strand Wetland ecological environment, and cost is higher, and is had a strong impact on easily in typhoon season, and unsuitable large tracts of land is built mangrove forest of one's native land.
Pagatpat ( Sonneratia apetala) be mangrove forest Sonneratiaceae plant, natural distributed is in India, Bangladesh etc., and the height of tree is generally 15~20m, the diameter of a cross-section of a tree trunk 1.3 meters above the ground 25~30cm, the age of tree can raise up seed more than 3 years.1985, China scientific and technical personnel successfully introduced a fine variety from Bangladesh, at present in Hainan of China, less manpower plantations such as Guangdong, Fujian.Pagatpat is high megaphanerophyte; In fast natural disposition, resistance, windproofly imperially all be superior to China native country mangrove forest seeds aspect unrestrained; Windproof solid bank and created land with silt are had remarkable result, and on the low tide band beach, its artificial planting survival rate can reach more than 70% suitable planting in the strand.Yet; Adaptability of pagatpat and fertility are strong especially; Compare with poor growth, to the higher indigenous tree species of beach conditional request and to have stronger competition and diffusivity, there is the ecological invasion risk in it, therefore; The artificial planting that the single use of large tracts of land pagatpat carries out mangrove forest can threaten to mangrove forest of one's native land, is unfavorable for the recovery and the reconstruction of strand Wetland ecological environment.
Summary of the invention
Not enough in order to overcome above-mentioned prior art, the invention provides and a kind ofly neither can cause disturbance also to avoid ecological invasion risk and the high method of on non-beach suitable for afforestation, building mangrove forest of mangrove forest survival rate strand Wetland ecological environment.
The alleged beach non-suitable for afforestation of the present invention cannot not be meant suitablely the middle low tide band beach of mangrove plant plantation of one's native land, growth.
Technical thought of the present invention is: use pagatpat as the afforestation pioneer tree species; On non-beach suitable for afforestation, build the pagatpat woods; Utilize the function of its windproof solid bank and created land with silt suitably to improve the elevation of waiting to recover beach; The afforestation environment of low tide band beach in significantly improving, thus reach the growth requirement of mangrove plant of one's native land, and afforesting on non-beach suitable for afforestation for mangrove plant of one's native land provides favourable habitat.
The technical scheme that the present invention adopted is: a kind of method of on non-beach suitable for afforestation, building mangrove forest of one's native land may further comprise the steps:
A, on non-beach suitable for afforestation plantation pagatpat annual seedling woods;
B, treat that the pagatpat seed of forest plants 2 After 3 years, remove all pagatpats;
Again plant mangrove forest seeds of one's native land on C, the beach after pagatpat is removed.
Preferably, removing pagatpat in the said B step may further comprise the steps:
B1, the pagatpat trunk is blocked in backbone portion, making the pagatpat tree backbone section terrain clearance of retention is 10cm 20cm keeps being exposed at the aerial root on the beach, and removes branch, bar, cauline leaf;
B2, smear sulfometuron-methyl (50%~75% Sulfometuron Methyl pulvis) 15g~25g or weed killer herbicide 2 at the pagatpat of each retention tree backbone section; 4-D (chemical name 2.4 1 dichlorphenoxyacetic acids) aqua 5~10ml or Simanex 50%~80% pulvis, 5~25g or diuron 25%~80% wetting powder, 5~25g or prometryn (chemical name: N; N '-diisopropyl-6-methyl mercapto-1,3,5-triazines-2; The 4-diamines) 25%~80% wetting powder, 5~25g, and section sealed.The method of sealing can swathe tight back with section with plastic film and fasten with rope, and also useable glass glue or other fluid sealants are sealed, perhaps other conventional encapsulating methods.
Preferable, in the said B1 step, the pagatpat of retention tree backbone section terrain clearance is 5cm 20cm.
Further preferred, the spacing in the rows of said pagatpat plantation is that 1~2m, line-spacing are 1~2m.
Further preferred, the spacing in the rows of said mangrove forest plantation of one's native land is that 0.3~0.5m, line-spacing are 0.3~0.5m.
Preferably, said mangrove forest seeds of one's native land are one or more in autumn eggplant, Bruguiera conjugata, Aegiceras corniculatum, Avicennia marina, Rhizophora stylosa, Hai Lian, cusp Hai Lian, the old mouse le.
Technique effect of the present invention is:
1, the present invention utilizes the ecological characteristics of the short silt Gu Tan of pagatpat to build mangrove of one's native land ground suitable for afforestation; Having broken bankets through manual work heap raises the tradition that the beach elevation is built ground suitable for afforestation; Having avoided the influence of artificial heap fill construction to strand wetland environment, is a kind of method of forestation of ecological, environmental protective.
2, the present invention uses the pioneer tree species of pagatpat as afforestation, before forming back and pagatpat arrival breeding period, with its thorough removing, does not have the possibility of the extensive diffusion of alien species suitable for afforestationly.
3, the present invention's plantation mangrove plant of one's native land after forming ecological ground suitable for afforestation; Cost of forestation is lower; The survival rate of native soil mangrove forest seeds is higher, and the mangrove forest wetland after the recovery all has remarkable lifting at more traditional method of forestation aspect bio-diversity, ecological functions and the strand view.
Embodiment
Can further be well understood to the present invention through specific embodiment of the present invention given below.But they are not to qualification of the present invention.
Embodiment 1
(the beach elevation that light beach beach elevation can natural distribution than mangrove of one's native land is low by 10~20cm), chooses the scope of long (along the coastline direction) 30m, wide (from bank to extra large direction) 15m, at first in this zone, plants annual seedling 220 strains of pagatpat suitable for afforestationly for non-hang down on the band light beach, beach that can't grow at the mangrove plant of one's native land in the artificial reclaimation area outside; Height of seedling 50~70cm, and with rope seedling is tied up and to be held up on the bamboo bar, strain, line-spacing are about 1.5m * 1.5m; Treat that sapling (becoming to live) plantation is after 2 years; Artificial all pagatpats, the sweep-out method: the pagatpat trunk is blocked at liftoff 10~15cm place, retain section at each and smear 70% sulfometuronmethyl pulvis, 20 grams removed; And section is sealed with rope and plastic film; To prevent germinating, and remove branch, bar, cauline leaf, reservation being exposed at the aerial root on the beach.Dispose annual sapling totally 4489 strains of mangrove kenaelia candel of one's native land, Bruguiera conjugata, Aegiceras corniculatum, Rhizophora stylosa 4 plant species, plant on the forest land after pagatpat is removed, strain, line-spacing are about 0.3m * 0.3m, artificial maintenance 1 year.After curing period, calculating the mangrove of one's native land that becomes to live on the forest land is 3376 strains, and survival rate is 75.21%.The native soil mangrove grows into forest respond well, and does not see and have or not the strain of Sangzhi, lobe sea to distribute.
Embodiment 2
Choose the middle low tide band beach 600m non-suitable for afforestation that mangrove of one's native land can't be grown in artificial reclaimation area periphery 2(30m * 20m), the beach elevation hangs down 10~15 cm than mangrove forest of one's native land suitable for afforestationly, and the coastwise length in forest land is 30m, and the width on seashore edge to sea is 20m.At first annual seedling 651 strains of plantation pagatpat in this zone, strain, line-spacing are about 1m * 1m, treat that sapling (becoming to live) plantation is after 3 years; Artificial all pagatpats, the sweep-out method: the pagatpat trunk is blocked at liftoff 10~15cm place, retain section at each and smear 60% sulfometuronmethyl pulvis, 23 grams removed; And section is sealed with rope and plastic film; To prevent germinating, and remove branch, bar, cauline leaf, reservation being exposed at the aerial root on the beach.Dispose annual sapling totally 6767 strains of mangrove kenaelia candel of one's native land, Bruguiera conjugata, Aegiceras corniculatum, Avicennia marina, Hai Lian, cusp sea lotus 6 plant species, plant on the forest land after pagatpat is removed, strain, line-spacing are about 0.3m * 0.3m, artificial maintenance 3 years.After curing period, calculating the mangrove of one's native land that becomes to live on the forest land is 4792 strains, and survival rate is 70.8%.The native soil mangrove grows into forest respond well, and does not see and have or not the strain of Sangzhi, lobe sea to distribute.
Embodiment 3
On coastal tidal to be recovered, the beach elevation is chosen the non-ground suitable for afforestation 900m that no mangrove of one's native land distributes than the low 15~20cm of mangrove forest ground suitable for afforestation beach 2(30m * 30m), at first annual seedling 441 strains of plantation pagatpat in this zone, strain, line-spacing are about 1m * 2m; Treat sapling (becoming to live) plantation after 2.5 years, artificial all pagatpats, the sweep-out method: the pagatpat trunk is blocked at liftoff 10~15cm place removed; Retain section at each and smear diuron 30% wetting powder 20g, and section is sealed, to prevent germinating with rope and plastic film; And remove branch, bar, cauline leaf, keep being exposed at the aerial root on the beach.Dispose mangrove kenaelia candel of one's native land, Bruguiera conjugata, Aegiceras corniculatum, totally 6000 strains of the annual sapling of Lao Shu le 4 plant species, plant on the forest land after pagatpat is removed, strain, line-spacing are about 0.3m * 0.5m, artificial maintenance 2 years.After curing period, calculating the mangrove of one's native land that becomes to live on the forest land is 4272 strains, and survival rate is 71.2%.The native soil mangrove grows into forest respond well, and does not see and have or not the strain of Sangzhi, lobe sea to distribute.

Claims (1)

1. method of on non-beach suitable for afforestation, building mangrove forest of one's native land may further comprise the steps:
A, on non-beach suitable for afforestation plantation pagatpat annual seedling woods;
B, treat that the pagatpat seed of forest plants 2 After 3 years, remove all pagatpats;
Again plant mangrove forest seeds of one's native land on C, the beach after pagatpat is removed;
Wherein, the spacing in the rows of said pagatpat plantation is that 1~2m, line-spacing are 1~2m;
The spacing in the rows of said mangrove forest plantation of one's native land is that 0.3~0.5m, line-spacing are 0.3~0.5m;
Said mangrove forest seeds of one's native land are one or more in autumn eggplant, Bruguiera conjugata, Aegiceras corniculatum, Avicennia marina, Rhizophora stylosa, Hai Lian, cusp Hai Lian, the old mouse le;
Removing pagatpat in the said B step may further comprise the steps:
B1, the pagatpat trunk is blocked in backbone portion, making the pagatpat tree backbone section terrain clearance of retention is 5cm 20cm keeps being exposed at the aerial root on the beach, and removes branch, bar, cauline leaf;
B2, smear sulfometuron-methyl 15g~25g or weed killer herbicide 2 at the pagatpat of each retention tree backbone section; 4-D aqua 5~10ml or Simanex 50%~80% pulvis, 5~25g or diuron or prometryn 25%~80% wetting powder 5~25g, and section sealed.
CN201010545915A 2010-11-16 2010-11-16 Method for building local mangrove forest on intertidal zone unsuitable for forestation Expired - Fee Related CN102057852B (en)

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CN101253855A (en) * 2008-03-19 2008-09-03 中国林业科学研究院热带林业研究所 Method for controlling spartina alterniflora instruction with non-petal sonneratia and recovering mangrove forest ecological
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