stipa 中文意思是什麼

Dynamics of the aboveground biomass yield of the caragana stenophylla - stipa spp. community on desert grassland in mu us sandland

小針茅群落地上生物量對氣候因子的動態響應

In different phases of development, vegetation systems in this region have changed from pioneer herbage species initially recovering in abandoned cropping lands ( bothriochloa ischemum, artenmisia giradii and stipa bungeana, artenmisia sacrorum, spodiopogen sibiricus and sophora flavecens, themeda japonica, and arundinella anomala ) to secondary shrubs ( hippophae rhamnoides, sophora viciifdia, and ostryopsis davidiana ), early forest community ( populus davidiana, betula platyphylla and platycladus orientalis with arbors or shrub assembling ), and finally liaotungesis community as the mature forest. in this study, soil profiles ( 0 - 5, 5 - 15, 15 - 25, 25 - 35, 35 - 50 cm soil layers ) were selected from typical vegetation systems representing for vegetation successions in the region

該區北部目前還保存有空間上完整的植被正向演替系列，即棄耕地先鋒群落草本群落（白羊草bothriochloaischemum 、茭蒿artenmisiagiradii +長茅草stipabungeana 、鐵桿蒿artenmisiasacrorum 、大油芒spodiopogensibiricus +苦參sophoraflavecens 、黃菅草themedajaponica或野古草arundinellaanomala ）灌叢群落（沙棘hippophaerhamnoides 、狼牙刺sophoraviciifdia 、虎榛子ostryopsisdavidiana ）早期森林群落（喬灌群聚、山楊populusdavidiana 、白樺betulaplatyphylla 、側柏platycladusorientalis 、 ）遼東櫟群落（ quercusliaotungensis ） 。

The great bustard selects the areas with abundant plant species. higher vegetative cover score. smaller proportion of bare area and taller plants to display on postfire grasslands ; the important factors that influence the great bustard to selection display fields are the proportion of hay, stipa baicalensis density and the thickness of hay on unburing grassland

在火燒地，大鴇會選擇植物種類數較多、蓋度較大、裸地比例較小及植株相對較高處進行求偶炫耀；在非火燒地，枯草比例、貝加爾針茅密度及枯草厚度是影響其求偶場選擇的重要因素。

Leymus chinensis and stipa grandis are dominant species with a wide distribution in the inner mongolian steppes

羊草和大針茅是內蒙古典型草原地帶性分佈的優勢種。

Compared to stipa bungeana grassland and fallow ground, the volume weight was smaller, total porosity and capillary porosity were higher, but non - capillary porosity was lower. 2. achnatherum splendens height increased slow in the initial stages, fast from june to august and slow again after that

芨芨草草地土壤容重較本氏針茅草地和裸地小，各層的總孔隙度和毛管孔隙度明顯高於本氏針茅草地和裸地，但非毛管孔隙度較本氏針茅草地和裸地低。

Mechanism of degradation succession in leymus chinensis stipa grandis steppe community

大針茅草原群落退化演替機理的研究

The diet of the main dominat species of rodents allactaga sibirica in stipa breriflora steppe were studied in lhurihe sunit right banner inher mongolia by stomach content analysis the results showed that : 1. the main diet of allactaga sibirica consisted of green stems and leaves, seeds, roots and withered plants and also consisted of some insects when plant biomass were lowev. 2. ten species of plant were often selected by allactaga sibirica during the different periods allactaga sibirica always selected artemisia frigida, kochia prostrata, heteropappus altaicus, enneapogon borealis, eragrostis poaeoides. 3. the plant diet composition were same at the same period when water content were same but the plant diet compositon were difteren at the ditlenent periods when whater content were different

研究結果表明： 1 .五趾跳鼠的主要食物組成由綠色莖葉、種子、根、枯黃植物組織等組成，在植被生物量較低時期也採食一些昆蟲類食物； 2 .經常採食的植物種類有10種，其中在不同時期均喜食的植物有冷蒿、木地膚、阿爾泰紫菀、冠芒草、小畫眉草等植物； 3 .在水分條件相似的同一時間段內植物性食物組成較穩定，而在水分條件不一致的各時間段內，食物組成比例差異較大； 4 .有較強的幼嫩植物組織選擇和依賴性採食習性，且與放牧家畜存在較強的植物性食物資源競爭，因此是一種對草地植被破壞性和畜牧業危害均較大的鼠種。

A study on soil animal dominant group - cleopteran in neimongol stipa grandis steppe

內蒙古庫布齊沙帶東段油蒿固定沙丘土壤微生物數量的垂直分佈研究

Characteristics of spatial distribution for the main populations of scarabaeoideal larvae in stipa grandis steppe

大針茅草原蠐螬群落主要種群空間分佈特徵研究

Stipa krylovii is a major component of typical steppe vegetation. it is a perennial, thicket, xerophytic bunch grass, with a high drought resistance

克氏針茅為多年生密叢型旱生草本植物，是亞洲中部典型草原的主要建群種。

The highest biomass of aneurolepidium dasystachys appeared in august, while that of stipa bungeana appeared in may. the sequence of the highest biomass per area was : aneurolepidium dasystachys } achnatherum splendens } stipa bung

7 、對照牧草厚穗冰草於8月份生物量達到高峰，本氏針茅則於5月份達到高峰期。

Effect of mowing systems on composition of stipa grandis community in inner mongolia steppe

不同輪割制度對內蒙古大針茅草原群落組成的影響

Study on community characteristics and community diversity in stipa steppe of qinghai lake region

青海湖區針茅草原植物群落特徵及群落多樣性研究

Influence of seasonal distribution of precipitation on primary productivity of stipa krylovii community

降水量季節分配對克氏針茅草原群落初級生產力的影響

In order to explore the influence of ecological factors on plant physiological characteristics, we carried out a series of experiments on stipa baicalensis community. with the increasing of co2 concentrations, the transpiration rate of stipa baicalensis, either for vegetative shoots or for reproductive shoots were significantly increasing. the average transpiration rates of vegetative shoots were 1. 77 times sizes of reproductive shoots

生殖枝與營養枝光合速率均隨模擬光輻射強度的增強而增大，營養校與生殖校分別在光輻射強度為1200 1400umol ? m士s 『及1000 1200umol ? m毛s1時達到光合速率的最大值，營養枝光合速率均值為生殖枝的1

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。