水生生境 的英文怎麼說
中文拼音 [shuǐshēngshēngjìng]
水生生境
英文
aquatic habitats-
The results showed that the mean proportion of polymorphic loci ( ppb ) of anabasis aphylla, which comprised 3 subpopulations ( 58 individuals sampled ), generated by 16 primers was 94. 56 %, the value of ppb of ceratocarpus arenarius, which had 4 subpopulations ( 80 individuals sampled ), using 16 primers was 98. 00 %. the paper had proved that the higher genetic diversity and the genetic differentiation existed in the populations of boih anabasis aphylla and ceratocarpus arenarius, while the latter had much more genetic diversity than the former. moreover, the study discussed the shannon information index and nei ' s gene diversity index of the two species natural populations, which indicated that there were more genetic variations within the subpopu
另外，通過rapd資料的聚類分析及相關性分析研究，發現無葉假木賊和角果藜自然種群的遺傳結構與綠洲沙漠過渡帶的微生境生態因子（主要是土壤因子）相關，其中無葉假木賊亞種群遺傳多樣性水平不僅與土壤含水量（ w ） 、鉀鈉離子濃度（ k + na ）和氯離子濃度（ cl ）呈顯著的正相關（ p 0 . 05 ） ，還與土壤中有機質（ som ） 、全氮（ nt ）和全磷（ pt ）含量呈顯著的負相關；同時，角果藜種群的遺傳多樣性水平與土壤中有機質（ som ）和全氮（ nt ）含量呈顯著的正相關，而與co _ 3 ~ （ 2 - ）濃度呈顯著的負相關；除此之外，其它土壤生態因子與兩物種遺傳多樣性水平的相關性均不顯著（卜0 . 05 ） 。Using cd, cu, zn and cr as experimental toxicants and crucian as experimental creature, we employed the environmental biotechniques ( flame atomic absorption spectrophotometry, the method of improved pyrogallol autoxidation and electron microscopy ) to study the acute toxicity and secure concentrations of heavy metals to crucian ; the accumulation and distribution of mixed heavy metals to fingling crucian ; the activities of superoxide dismutase ( sod ) of gill and liver tissues and the hispathological and ultrastructural change of superfine structure of liver and kidney of crucian after cadmium exposure. through which, we intended to fully and systemically study the toxic influence of heavy metals to fish, and preliminarily discuss the influence of heavy metals pollution to the diversified level of fish such as individual, organ, tissue, cell and molecule. thus we tried to provide scientific evidence to establish preventative management measures, avoid and relieve the harm of heavy metals pollution to aquicolous ecosystem in time
隨后以這幾種重金屬作為實驗毒物，以鯽魚為實驗動物，應用環境生物技術、火焰原子吸收分光光度法、鄰苯三酚自氧化法、透射電鏡等技術研究了重金屬cu 、 zn 、 cd和cr對鯽魚的急性毒性及其安全濃度評價、混合重金屬在鯽魚幼體組織內的積累和分佈、 cd對鯽魚鰓和肝臟中sod活性的影響、 cd對鯽魚肝細胞和腎細胞超微結構的影響等，全面和系統地研究了水環境中重金屬暴露對魚類的毒性影響，初步探討了重金屬污染對魚類的個體? ?器官? ?組織? ?細胞? ?分子等各水平層次的影響，為制定漁業生產上預防性的管理措施提供科學依據，及時避免或減輕重金屬污染對水生生態系統造成的損害。During 2001 to 2002, observation and statistics were made on the dynamic status of migration, habitat form, habit of activity and population density of aves in the wetland of hengshui lake. the management and protection of bird resources are also discussed in the paper
本文對衡水湖自然保護區鳥類的物種多樣性和季節動態、以及重要水鳥的繁殖和水鳥生境的重要性進行了研究，分析了衡水湖自然保護區水鳥面臨的威脅，並提出了保護對策。Mr osbert chadwick, the special investigator of the british colonial office, made an overall inspection of the living conditions and the water supply service in hong kong
英國殖民地部特派專員查維克（ osbertchadwick ）全面檢討香港居住衛生環境及供水設施。The results show that : 1 ) though the water environment of nanyisan is more muddy than others, algal can still grow ; 2 ) the composition and rock type of the algal limestone are complex, the main rock types include lettuce - like stromatolites, algal reef, digitate stromatolies, wave - like stromatolites and so on ; 3 ) the deposits of algal limestones were formed in low - energy peritidal to subtidal high - energy environment of lakeshore slopes, sliding under the action of gravity and some other factors and become slump mixosedimentite layers ; 4 ) the physical property of algal limestones layers is better than others ; 5 ) the genetic development of the sediment decides that the single deposit is small, distributive and thin - layed
結果表明，南翼山藻灰巖沉積水體環境相對渾濁，但藻類仍能生長；該區藻灰巖巖石組成及類型復雜，主要的藻灰巖巖石類型有包心菜狀疊層石、藻礁、指狀疊層石、水平波狀疊層石等；其主要為濱岸斜坡上低能潮上環境至高能潮下環境形成的沉積體，在重力等因素的作用下產生滑動或滑塌形成的微生物成因的滑塌混積巖；巖層物性好於其它巖層；藻灰巖層的成因決定了該地區單個沉積體規模小、分散、層薄。Then, main projects and synthetic techniques of ecological agriculture construction are discussed. the results indicate that main projects include fertile soil project, water conservancy, forestation and virescence project, agricultural structure adjustment project, agriculture industrialization project, integrated use of agriculture rejectamenta project, high quality and innoxious farm produce project, livestock breeding project, sight - seeing agriculture project, etc. the suited techniques include ecology location scheme technique, agriculture rejectamenta use technique, energy source regeneration technique, sewage biologic depuration technique, innoxious farm produce technique, soil fertility increase technique, ecological control technique of plant disease and insect pests, economizing water technique of dry farming, agriculture environment reconstruction technique, etc. lastly the study brings forward the countermeasure and advice of ecological agriculture development
根據我國生態農業建設成功經驗和濟南市目前生態農業建設基礎，提出濟南市生態農業建設重點工程為沃土工程、農田水利工程、造林綠化工程、農業結構調整工程、農業產業化工程、農業廢棄物綜合利用工程、優質和無公害農產品工程、養殖工程、觀光農業工程等;生態農業建設的關鍵技術為生態位配置技術、農業廢棄物資源化綠色技術、能源再生技術、污水生物凈化利用技術、無公害農產品技術、地力持續培肥利用技術、農作物病蟲草害生態控制技術、旱作農業高效節水技術及農業生態環境綜合整治技術等。Proper and active habitat management work is essential to maximize the ecological values of these freshwater ponds and our reserve staff at mai po have cautiously managed these habitats by controlling the water levels, clearing invasive water plants as well as removing exotic fish in the systems, said samson so, wwf hong kong training officer. exuviae of dragonfly
世界自然基金會培訓主任蘇毅雄表示：適當的生境管理工作，對于提高淡水池塘的生態價值至為關鍵，保護區的員工透過控制水位清理外來水生植物和生態系統中的外來魚類，仔細而謹慎地管理生境，令生境成為不同野生生物的理想居所。In the warm period, the aquatic bivalvia was well - developed, and the gastropod fauna was obviously prosperous and characteristic by large amount of the aquatic species. the alternative appearance of both cold and the warm mollascan assemblage tpyes reflects the features of the quaternary climate changes in this area
在冷期因氣候乾燥，環境中水量減少，腹足類化石以陸生肺螺類最為發育；在暖期水生雙殼類較為發育，腹足類群明顯繁盛，以水生種類的大量出現為特徵。As a result it enhanced the water - retaining and fertility - retaining capacity, strengthened the anti - scour and anti - erosion ability. 3. sabaigrass can meliorated the little entironment of purple soil bare slope field the results show that sabaigrass treatment and grass tree solid plating treatment can reduce n ( nitrogen ), p ( phosphorus ) and k ( potassium ) erosion, increase soil nutrition element content, it also increase soil water content and soil pondage, decrease soil water evaporation, strengthen the anti - drought ability
龍須草能改善紫色土荒坡地的小生境龍須草純種植被和林草立體種植植被能不同程度地增加土壤的有機質和速效n 、 p 、 k的含量；增加土壤含水量和貯水量，減緩和減少土壤的水分蒸發，增強土壤的抗旱能力；降低土壤盛夏的地表最高溫度，減少地表溫度變化幅度。On the basis of the investigation of the content and distribution of heavy metals in sediments and benthic organisms from the sewage stream in guangzhou city, the antagonistic effect of selenium on the harm of mercury ( hg2 + ) to the tissues in swordtail fish ( xiphophorus helleri ), the 22nd offspring purely cultivated by pearl river fishery research institute, were measured by physiological and biochemical indexes and observation of electron microscopy
本研究中首先調查了廣州市河涌沉積物及底棲生物體內重金屬含量及分佈，並以珠江水產研究所培育的水生實驗動物?劍尾魚為實驗材料，利用環境生物技術，電鏡觀察等技術方法研究了重金屬?汞對劍尾魚組織的毒害及機體必需微量元素硒對其毒害的拮抗性影響。Accordingly, a. sylvestri took the r - strategy to occupy niche, which growing fast and having shorter heterogamous interval, breeding and spreading quickly. while c. smyrnioides took k - strat
因此在向水分和光照都較好的生境擴散時，沒有取得成功，而僅占據了落n一卜林下和林緣路邊的生境。Compounds with bcf values < 100 are considered to be of little environmental concern and not expected to bioconcentrate into tissues. in this in vivo test, the low uptake of avermectin b1a and its low persistence in sturgeon muscle demonstrate that it will neither bioaccumulate in individual organisms nor biomagnify in the food chain
在試驗中，鱘魚對水中的avmb _ （ 1a ）攝取率較低， avmb _ （ 1a ）在鱘魚體內消除迅速，以及avmb _ （ 1a ）較低的bcf值，表明不易在水生生物食物鏈中被生物濃縮，不易在水生生物體內富集，對環境和人類的健康影響較小。Dragonflies spend their larval stages in water, and therefore aquatic environment is vital for their breeding cycles
由於蜻蜓在水中渡過幼蟲階段，故此水生環境對它們的繁殖周期非常關鍵。These mechanisms, part of the marine mammal diving response, are adaptations to living in an aquatic environment and help during the process of sleeping
這些機製作為部分海洋動物潛水的反應，是對在水生環境中生活的適應，並有助於睡眠。In addition, it has also been applied to the management and prediction of the ecology system, especially the marine ecology, and the control of the environment pollution
它已廣泛的應用於研究微生物的種群增長和相互作用規律，也應用於生態系統尤其是水生生態系統的管理，預測和環境污染的控制。Therefore, its essence is damaging creature diversity, which leads to the system loss of self - maintenance, self - accommodation ability and system balance stability, finally results in the destroying of water co - system and farther intensification of environmental issues
其本質問題是水生生物多樣性的破壞，由此造成系統喪失自我維持、自我調節的能力與系統平衡的穩定性，並最終導致水生生態系統的破壞和環境問題的進一步加劇。On the other hand, this paper details the study on effects of environmental pollution on the algae growth besides essential nutrition, especially those of dye wastewater in sunan area on the process of eutrophication, from which we expect to know what the environmental pollution factors overlapping other factors interfere with the competitive relationships of different species and have a certain effects on the succession of water ecosystem species
另外，論文中的實驗也涉及到除對藻類生長所必需營養物外的環境污染因子的影響。尤其是蘇南地區的染料廢水等對富營養化過程的影響，以期了解疊加在其他因素上的環境污染因子對生物種群間的競爭關系的干預，及對水生生態系統種群演替的影響和程度。Assessment on the pollution and eutrophication of environmental water by hydrobiologica
用水生生物評價環境水體的污染和富營養化Assessment of cholinesterase ( che ) inhibition is widely used as a specific biomarker for evaluating the exposure of non - target organisms to the pollutants, organophosphorus pesticide and carbamate
摘要應用水生生物膽堿脂酶作為生物標志物對水環境中有機磷和氨基甲酸鹽殺蟲劑的暴露和效應進行評價日益受到重視。The technology, project design, development strategy and plan in the field of water ecosystem, water environment, fishery reproduction, fishery ecology engineering, wet land resource protection and development
水生生態與水環境、水產增殖養殖與漁業生態工程、濕地資源保護與利用等的科學技術、工程設計、發展戰略與規劃。分享友人