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The invention discloses an ecological engineering regulation method for fast reducing salinity of a sand coated district which belongs to the marine solonchak improving method technical field.

本发明公开了一种砂涂区土壤快速降盐的生态工程整治方法,属于滨海盐土的改良方法技术领域。

Fourth: According to the ecological protection and planning of shanghu urbanwetland park lakeshore line, we found out five kinds of protected wetlandslakeshore:bank revetment of gentle slope water, bank revetment block stone or pine,bank revetment of Natural flora, bank revetment of hydrophile grandstand, bankrevetment of field stone.

4在对尚湖城市湿地公园岸线的生态保护规划基础上,研究出五种适合城市湿地公园的护岸形式:缓坡入水护岸、块石或松木桩护岸、大卵石护岸、自然植被护岸、亲水看台护岸。

The result shows that:(1) As the tourist disturbance decrease, the important value of Carex lanceolata and Polygonum Viviparum increased, while the important value of Taraxacum mongolicum decrease.

结果表明:(1)随旅游干扰强度降低,马仑亚高山草甸的优势种披针苔草和珠芽蓼的重要值逐渐增大,而广生态幅植物蒲公英重要值却呈降低趋势。

The influence of rhizosphere medicine in different components and application methods on the survival rate, height, DBH, relative turgidity of bark, morbidity, contagious index and tree capacitance of Populus hopeiensis were studied.

研究了不同成分配比的根际微生态保健剂在拌土和蘸根两种施用方式下,对河北杨造林成活率、树高、胸径、树皮相对膨胀度、烂皮病发病率、感病指数以及树体电容的影响。

Seasonal dormancy, one of the measure mechanism for perennial plants in ecology and evolution, is a component of the multiple survival strategies of vegetable kingdom.

季节性休眠是多年生植物在生态和进化上的一种"权衡"机制,也是植物界多样性生存策略的组成部分。

The morphological and anatomical features of Quercus Section Suber,the dominant species of the sclerophyllous evergreen broad leaved-forest,from different habitats were compared The results show that Quercus Section Suber possesses dual morphological characteristics of non-succulent xerophyte and al-pine plants.

对分布在不同生态环境条件下的硬叶常绿阔叶林建群种高山栎组植物叶的形态解剖特征进行了比较研究。

Base on content of chlorophyll a and feeding type of fish and shellfish a food web methods was designed to control eutrophilication. The native freshwater bivalve,Anodonta woodiana, was selected as a filter to remove the algae in the water. The result is quite satisfied and promising.

本研究以水中叶绿素a浓度为基础,鱼类食性为辅,发现使用本土种且具有经济价值之淡水圆蚌,来作为滤除水中藻类的生态方法颇具可行性,利用藻类吸收营养盐、圆蚌食用藻类、再将圆蚌移除之方式而达到降低水库营养盐能量的目的。

Exposure ecological risks of benzo pyrene to species in water, soil and sediment were investigated based on distributions of concentrations derived from the modeling and acute toxicity data for tested species from literature.

将根据上述研究得到的各环境介质暴露浓度分布及该化合物对实验生物急性毒性数据分析了苯并芘在天津污灌区水体、土壤和沉积物三种环境介质中的生态风险性。

Ramie fibers contain a "plant antibiotic element", after trimming by isunte ecologic and hygienical process, and inspect by the authoritative disease control center, can control and kill many bad bacteria, such as staphylococcosis, enteric bacilli, blastomyces albicans, and epiphyte arousing skin disease, this is the reason that many western developed countries choose ramie garments to wear.

麻纤维含有一种&植物杀菌素&,且通过-生态保健整理,经权威疾病控制中心检测,能有效地抑制和杀死多种有害菌,如金色葡萄球菌、白色念珠菌、大肠杆菌和引起皮肤病的真菌。这是许多西方发达国家选择着装麻料的重要原因。

On the leaving farmland, by surviving the seedling out rate, the feeding grass surviving rate, reviving rate, growth speed, tillering numbers, cluster measurement, degree of cover, root measurement, root Weight, fresh grass yield and hay yield, and so on, four kinds of feeding grasses which were Medicago sativa L., Dactylis glomerata L., Cichorium intybus L., Astragalus adsurgens Pall., were confirmed that can adapt the native ecosystem term and acquire good economic benefits in that year ; Bromus inermis Leyss. growed slowly in the first year, but Behaved well in the next year; Silpniumperfoliatum L.

弃耕地上通过对牧草出苗率、存活率、来年返青率、株高、分枝分蘖数、丛幅、根幅、根量、鲜草产量及干鲜比等的量测,确定苜蓿王、沙打旺、菊苣、鸭茅这四种牧草能适宜当地生态条件并于当年获得好的产量;无芒雀麦第一年生长较慢,但第二年表现良好;串叶松香目前为止表现不佳,能否引进成功有待观察。

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