本文選題：濱海鹽堿地 + 檉柳　； 參考：《西北林學(xué)院學(xué)報》2017年02期

【摘要】：為解決濱海鹽堿地生態(tài)環(huán)境脆弱、已有生態(tài)修復(fù)措施耗費大、植被成活率低問題,通過原土改良、鄉(xiāng)土耐鹽堿植物不同形式的栽植、養(yǎng)護(hù),分析和評價不同改良方法對濱海鹽堿地的生態(tài)修復(fù)效果。結(jié)果表明,通過場地平整、深耕曬垡、增施有機(jī)肥、中耕通氣、淺耕均勻等改良措施,能夠使0~60cm土壤的理化性狀明顯改善,土壤全鹽平均降低0.088%;在原土改良基礎(chǔ)上栽植植被,相同養(yǎng)護(hù)模式下檉柳栽植區(qū)全鹽平均降低0.33%,翅堿蓬栽植區(qū)全鹽平均降低0.204%,檉柳與翅堿蓬混合栽植區(qū)全鹽平均降低0.36%;單一栽植檉柳,在不同養(yǎng)護(hù)方式下,未養(yǎng)護(hù)區(qū)全鹽平均升高0.031%,未起到改良效果,常規(guī)養(yǎng)護(hù)區(qū)全鹽平均降低0.33%,優(yōu)化養(yǎng)護(hù)區(qū)全鹽平均降低0.47%。由此可見,土壤結(jié)構(gòu)的改良、植被的選擇、種植層次設(shè)置、管理養(yǎng)護(hù)等措施對濱海鹽堿地原土生態(tài)修復(fù)效果明顯,可以在當(dāng)?shù)赝茝V應(yīng)用。
[Abstract]:In order to solve the problem of fragile ecological environment in coastal saline-alkali land, the existing ecological restoration measures are expensive and the survival rate of vegetation is low. Through the improvement of original soil, different forms of planting and conservation of saline-alkali tolerant plants in native soil, To analyze and evaluate the ecological restoration effect of different improvement methods on coastal saline-alkali land. The results showed that the physical and chemical properties of 0~60cm soil could be improved obviously by the improvement measures of site leveling, deep plowing and furling, adding organic fertilizer, aeration and even tillage, and the total salt content of soil was decreased by 0.088%, and the vegetation was planted on the basis of original soil improvement. Under the same conservation mode, the total salt in Tamarix chinensis planting area was reduced by 0.33, the salt content in Suaeda salsa area was reduced by 0.204, the total salt of Tamarix chinensis and Suaeda salsa mixed planting area was reduced by 0.36 percent, and that of Tamarix chinensis was planted under different conservation methods. The average increase of total salt in unprotected area was 0.031, and the effect of improvement was not achieved. The average reduction of total salt in conventional curing area was 0.33, and that in optimized curing area was 0.47. It can be seen that the improvement of soil structure, the selection of vegetation, the arrangement of planting levels, the management of conservation and other measures have obvious effect on the ecological restoration of coastal saline and alkali soil, and can be popularized and applied in local areas.
【作者單位】： 濰坊學(xué)院生物與農(nóng)業(yè)工程學(xué)院山東省高校生物化學(xué)與分子生物學(xué)重點實驗室;
【基金】：山東省自然科學(xué)基金項目(ZR2014CL006) 濰坊市科技發(fā)展計劃項目(2015GX017)
【分類號】：S156.42

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本文編號：2095539