濕旱生的 的英文怎麼說
中文拼音 [shīhànshēngde]
濕旱生的
英文
tropophilous-
4 the optimal water niche of m. h and m c are wetter than middle soil water content, belongs to mesophytes ; the optimal water niche of mosla scabra, on photosynthesis is more wetter than that of m. h and me, the optimal water niche between mesophytes and hygrophytes, and leaning to hygrophytes ; the photosynthetic water condition of m. d is arid environments, and its ecotype exits between mesophytes and xerophytes, and leaning to xerophytes. 5 m. h and m. s are locating between shade plants and sun plants, while m. c and m. d obviously belong to sun plants
4 、杭州石薺?與華薺?光合的最適水分條件是中等偏濕,其水分生態類型應屬于中生植物;石薺?光合的最適水分條件比杭州石薺?與華薺?光合的最適水分條件要求更濕,其水分生態類型介於中生和濕生植物之間,更偏向濕生;小魚仙草光合作用的水分生態條件是乾旱條件,其水分生態類型介於中生與旱生植物之間,更偏向旱生。The modified zndx in comparison with others is well indicative of the severity and extent of flood / drought event and of more objective classification of them, which is therefore quite applicable to a extended area. ( 3 ) the main anomaly structures of grades of drought / food in summer over northwest china present pluvial pattern and dry pattern in all the areas, and spatial changes are opposite pattern from the noth to the south and the west to the east. the first four rotated loading vector fields represent four principal precipitation anomaly areas : the weishui river basin, east of the qinghai - xizang plateau
但修訂過的zndx指數根據氣溫、土壤濕度及前期氣候濕潤度等因子能夠客觀的反映出西北地區的旱澇特徵。 ( 3 )西北地區季與年區域旱澇等級表明:西北地區的乾旱雨澇有顯著的階段性和年際變化特徵。 1980 』 s到1990 』 s中期,氣候較濕潤,土壤濕度增墑較明顯; 1990 』 s中期以後是40年乾旱最異常的時段; 1960 』 s旱澇交替發生,旱澇趨勢接近常年; 1970 』 s氣候雖乾旱,但沒有1990 』 s中後期顯著。The ephemerals is a kind of plant starting its new living period using the melting snow water in the early spring. they make use of melting snow water and spring rainwater under certain temperature to grow, then they will finish the life history quickly before hot summer comes
早春短命植物是一類生長在乾旱區,以早春融雪水啟動其新的生活周期,利用融雪水及春季雨水提供的土壤濕度和一定的溫度生長發育,在炎熱夏季來臨之前迅速完成生活史的一年生草本植物。The characteristics of biodiversity of yellow river delta are as follows : the vegetation structure is simplex and coverage is lower, which is characterized with obvious younger nature and abundant wetland ; the flora composition is simple, the plants usually could resist against salt and drought ; the xerophytes and meso - xerophytes are abundant, there are many mutual species with inner mongolia, which incarnated the biology corridor function of yellow river ; there are many animal species belong to national protected species, so the significance for biodiversity protection is great
黃河三角洲地區生物多樣性主要表現出如下特點:植被結構簡單、覆蓋度低、生態系統年輕性特點和濕地生態系統特點明顯;植物種類少、常具有抗鹽、抗旱特性;旱生、中旱生植物以及與內蒙古共有植物種類多,充分體現了黃河的生物廊道作用;主要保護動物種類多,生物多樣性保護意義重大。In six selected areas of the subtropical semi - humid evergreen broad - leaf forest ecosystem of yunnan diaolin mountain, during drought season from november, 1992 to april, 1993, authors studied and analysed, throught adopting the taxonomic, ecological and mathematical statistics method, the distribution, composition and domi - nant fungi of the small fungi as well as biodiversity. altogether 706 strains statistics unit, belonging to 28 genera, dominant fungi 678 strains statistics unit, 20 dominant fungi gen - era
在雲南雕林山亞熱帶半濕潤常綠闊葉林森林生態系統的六個具有代表性的樣區中,於1992年11月至1993年4月旱季期間,運用系統分類、生態分析和數理統計的方法,對小型真菌種群的分佈、組成、優勢菌及其生物多樣性進行了分析,共分離獲得小型真菌菌株統計單位706株,分屬於28個屬,其中,優勢菌678株,分屬於20個屬。The studies on the effects of temperature and soil water content for the number of oribatida and collembola were made. the results indicate that there are some effects for the number of oribatida and collembola. the difference on the most preferred temperature and soil water content for the growth of oribatida and collembola is not obvious. the preferred temperature is about 24. the preferred water content is about 16 %. the toleration on low temperature and drought for oribatida obviously is capable than that for collembola
對不同溫度和土壤含水量甲蟎和跳蟲數量的關系進行了實驗觀察.結果表明,溫度和土壤含水量對土壤甲蟎和跳蟲的數量變動均具有一定的影響.甲蟎和跳蟲生長的最適溫、濕度差異不明顯,最適溫度約在24左右,最適濕度約為16 %的含水量.甲蟎耐受低溫、乾旱環境的能力明顯大於跳蟲Desertization, land degradation in arid, semi - arid and dry sub - humid area, is one of the environmental problems concerned by human society. it has a direct relationship with the existence and development of mankind
沙漠化即發生在乾旱、半乾旱及半濕潤乾旱地區的土地退化,是人類社會普遍關注的環境問題之一,與人類自身的生存和發展有著直接的關系。The former is applied to the ecotype of damp and semi - damp soil and irrigated or half - shaded land in arid and semi - arid area, while the latter was suitable for the ecotype of dry - farming land of semi - arid area
在濕潤、半濕潤生態類型區和乾旱、半乾旱生態類型區的水澆地、二陰地,應用「增溫說」 ;在半乾旱生態類型區的旱作田,應用「調水說」 。The root system of malus toringoides is so developed that it can grow on prior soil and in cracks of rock. like malus transitoria, malus toringoides tolerant to draught and can grow on sunny dry slope, rocks of steep cliffs, barren stone area, roadsides and field sides. malus toringoides was also adapted to habitat shade and can grow normally gorges of hill, and even on sides of brook and river, where water often attack on
變葉海棠根系發達,能穿透堅硬的土層和巖石裂縫,它具有喜光耐旱的特點,在陽坡、凸坡、懸崖峭壁、瘠薄堅硬的石穀子地、道路兩旁和農耕地邊都能正常生長,與花葉海棠近似;變葉海棠也具有喜濕耐陰的特點,在深山峽谷、甚至在根系長期經受洪水侵襲的溪邊、河岸也能正常生長,與隴東海棠近似。This paper briefly analyzed the managements and techniques of wetland forests and its change trends in usa
濕地不僅具有保持水源、凈化水質、蓄洪防旱、調節氣候和保護海岸等巨大的生態功能,而且能夠創造巨大的經濟價值。But there still are some kinds of native xeroph - ytia which have distributed naturally during the long term process of adapta - tion and evolution in arid region. needless to say, it is the most key step to promote the vegetation restoration in desertification area by ascertaining the controlling factor of the natural distribution and observing the adaptation law of the plant living in arid area
由於水資源的匱乏,乾旱區與濕潤區相比,生物多樣性受到嚴重抑制,但在長期的適應演化過程中,此區亦分佈著種類不乏的旱生植物群落,洞察現存各類植物對環境的適應規律,顯然是促進荒漠區植被恢復的重要環節。C. smyrnioides would allocate more biomass to root for store with growing. the ratio of biomass stored in root of two year old plant was more than one year old, and drought than saturation, the last period of growth than start period
明黨參植株分配較多的生物量到根進行儲備,乾旱條件下較濕潤條件下更大,二年齡較一年齡分配的比例更大,生長末期較初期更多。Drought and flood are two of the major disasters that human being have to face. the losses due to them may be more than 50 % of the total disaster losses in jiangsu province. many valuable researches on meteorological and agricultural drought and flood have been done in world
江蘇省地處北亞熱帶、東臨海洋,雨量充沛,氣候濕潤,但降雨量年際間變化大,年內分佈不均勻,造成不同年份干濕狀況差異較大,常有非旱即澇的現象,給主要作物生產帶來非常不利的影響。Using the summer rainfall data from twenty - six observatories in shandong province from 1961 to 2001, the subtropical high index data from 1961 to 2002 and the monthly mean reanalysis data of wind, moisture, height and olr of ncep / ncar from 1958 to 1998, the characteristics of abnormal circulation in the northern hemisphere, the abnormal strength and location of subtropical high, the abnormal strength of monsoon and water vapor transport over the areas of east asian were studied
利用山東26個代表站1961 2001年夏季降水、 1961 2001年副高特徵指數以及1958 1998年ncep ncar再分析月平均風場、高度場、比濕、 olr等資料,對山東夏季發生旱澇的北半球大氣環流、副熱帶高壓、東亞夏季風以及季風區水汽輸送等異常特徵進行了合成對比分析。對山東夏季旱澇形成的原因,從季風區水汽輸送和出現降水異常的物理機制等方面進行了較深入的研究。The community productivity, structure and succession are significantly influenced by global climate changes. this study focused on soil respiration rate of stipa baicalensis grassland by using dynamic infrared gas absorbed method. we analyzed diurnal pattern of soil respiration rate and the influences of surface soil temperature and water content for this parameter, then compared the differences between day and night soil respiration rates, and explored the correlations between aboveground and underground biomass with the soil respiration
溫帶的半乾旱、半濕潤區草甸草原屬于過渡氣候影響下形成的植被類型,對環境氣候條件變化十分敏感,為了揭示半乾旱、半濕潤區草甸草原生態系統土壤碳素釋放規律及其對主要環境因子的響應,本研究採用動態室紅外氣體吸收法測定松嫩草甸草原典型群落? ?貝加爾針茅群落土壤呼吸速率,分析了土壤呼吸速率日變化規律及表層土壤溫度和含水量對土壤呼吸速率日變化的影響,比較了土壤呼吸速率的晝夜差異,探討了地上生物量和地下生物量與土壤呼吸速率之間的相關關系。The loess plateau of china is located at a transitional area where the semi - humid climate is changing into the semi - arid and arid climate
黃土高原地處半乾旱半濕潤向乾旱荒漠的過渡地帶,生態環境十分脆弱。The ratio of the root mass of two year old a. sylvestris was more than one year old, and drought than saturation
二年齡峨參植株分配于根的生物量比例大於一年齡,乾旱條件大於濕潤條件。The results of experiments and investigations in many years showed that in the semi - damp soil, the output had been increased by 69. 2 % when the former is used to guide the optimum sowing time for the plastic - film corn, and in the semi - arid area and the yield of corn increased by 60. 0 % when the latter was used, for, when used, the output will increase only by 15. 7 % and dropped by 14. 4 % less than the latter
經多年的試驗和調查表明,在半濕潤生態類型區,應用「增溫說」指導地膜玉米最佳播期增產69 . 2 % ;在半乾旱地區,應用「調水說」指導地膜玉米最佳播期增產60 . 0 % ,而應用「增溫說」播期只增產15 . 7 % ,比「調水說」播期減產14 . 4 % 。It is accepted that combustible factors ( vegetation, type of forest and ventilation ), temperature, climatic factors ( relative humidity, wind ( speed ) and days of coutinuous drought ), and terrain factors ( slope, aspect and altitude ) considerably affect forest fire, but human burning activity is still considered as the key factor of wildfire
可燃物中林下地被物,樹種和與閉度,氣象因子中氣溫,相對濕度,風和連續乾旱日數,地形因子中坡向,坡度和海拔對林火災害影響較為顯著,但人野外用火行為是導致林火發生的關鍵因素。Researcher dan nepstad calls it a " perfect storm " of deforestation : as fire and ranching destroy the amazon forest in brazil, the remaining trees release less moisture, producing a dryer climate that kills more trees
研究員丹稱他為伐林中的「完美風暴」 :當火災和伐木摧毀巴西的亞馬遜森林,保留下來的樹木釋放出比原來少的濕氣,產生的乾旱氣候將扼殺更多的樹木。分享友人