Multi-scale periodic variation of NDVI in July and its response to climatic factors in the Taibai Mountain area

Supramolecular organization within the extracellular matrix triggers the swarming/consolidation alternation in response to a periodic variation of water activity.

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Response of tree-ring width chronology of Pinus tabulaeformis to multi-scale standardized precipitation index (SPIn) in the Liupan Mountain Area

Acta Ecologica Sinica ◽

10.5846/stxb201603140451 ◽

2017 ◽

Vol 37 (10) ◽

Author(s):

李文卿 LI Wenqing ◽

江源 JIANG Yuan ◽

赵守栋 ZHAO Shoudong ◽

张凌楠 ZHANG Lingnan ◽

刘锬 LIU Tan

Keyword(s):

Tree Ring ◽

Standardized Precipitation Index ◽

Ring Width ◽

Precipitation Index ◽

Pinus Tabulaeformis ◽

Tree Ring Width ◽

Mountain Area ◽

Multi Scale ◽

Liupan Mountain

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Researches Regarding Vegetal Associations Specific to a Mountain Meadow

Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca Agriculture ◽

10.15835/buasvmcn-agr:8679 ◽

2012 ◽

Vol 69 (1) ◽

Author(s):

Zorica VOSGAN ◽

Roxana VIDICAN ◽

Monica MARIAN ◽

Lucia MIHALESCU ◽

Oana MARE ROSCA ◽

...

Keyword(s):

Nutritive Value ◽

Climatic Factors ◽

Economic Value ◽

Floristic Composition ◽

Point Of View ◽

Mountain Area ◽

Nardus Stricta ◽

Floristic Elements ◽

Mosaic Distribution ◽

Acid Substrate

The present study is focused on a volcanic mountain area of Maramures (Gutai Mountains) with specific vegetation that requires identification and analysis. The flora of these meadows has a natural character. The phytosociological study was performed and there was found vegetal associations belonging to classesÂ Nardo - Callunetea Prsg. 1949, Molinio - Arrhenatheretea R. Tx. 1937 andÂ Vaccinio-Piceetea Br.-Bl. in Br.-Bl. et al. 1939. The revealing species of the associations indicate a relatively poor floristic composition; great coverage hasÂ Nardus stricta, mainly due to acid substrate and to the bryophytes layer developed. Each vegetal association is described by analysis of the bioforms, of the floristic elements, geoelements, ecological indices and economic value. In all the vegetal associations hemicryptophytes exceeds other categories of bioforms, and considering the geoelements, the greatest rate is held by the Eurasian elements. From the point of view of the ecological character prevails mesophilic plants, micro-mesotherms and euritherms, euriionics and acidophilus. Meadows have a very low nutritive value and a low productivity, especially because of excessive grazing. Mosaic distribution of phytocoenosis is due to the uneven distribution of the climatic factors depending on the exhibition and on the degree of slope inclination.

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Relationship between multi-scale climate factors and performance of ecological engineering on the Loess Plateau, China

Journal of Forestry Research ◽

10.1007/s11676-021-01343-7 ◽

2021 ◽

Author(s):

Panxing He ◽

Jun Ma ◽

Zhiming Han ◽

Mingjie Shi ◽

Dongxiang Xu ◽

...

Keyword(s):

Atmospheric Circulation ◽

Loess Plateau ◽

Climatic Factors ◽

Gross Primary Production ◽

Ecological Engineering ◽

Climatic Conditions ◽

Vegetation Restoration ◽

The Loess Plateau ◽

Engineering Project ◽

Multi Scale

AbstractThe long-term “Grain-to-Green Program” (GGP) on China’s Loess Plateau is a major global ecological engineering project which has significantly boosted vegetation renewal. Some studies have found that the rate of restoration is quite rapid during the implementation of ecological engineering, however, the influence of multi-scale climatic conditions on the performance of ecological engineering is unclear. In this study, multiple sources of remote sensing data were used to estimate the dynamics of vegetation structural and functional indicators, water-related local climatic factors, and atmospheric circulation factors. These datasets were also used to detect possible causes for vegetation restoration on the Loess Plateau over the past 20 years. The results show that widespread increases in rates of normalized difference vegetation indexes (NDVI), leaf area indexes (LAI), gross primary production (GPP), and aboveground biomass carbon (ABC) during 2000–2016 were significantly higher than before 2000. GPP was significantly correlated with rainfall and surface runoff on a monthly scale, and there were significant positive correlations between GPP and atmospheric circulation. Our results demonstrate that both vegetation structural and functional indicators rapidly increase, and ecological engineering greatly accelerated vegetation restoration after 2000. Local climatic conditions and atmospheric circulation patterns enhance vegetation growth and impact of ecological engineering.

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Elevational Patterns of Plant Richness in the Taibai Mountain, China

The Scientific World JOURNAL ◽

10.1155/2014/309053 ◽

2014 ◽

Vol 2014 ◽

pp. 1-13 ◽

Cited By ~ 6

Author(s):

Lili Tang ◽

Tanbao Li ◽

Dengwu Li ◽

Xiaxia Meng

Keyword(s):

Species Richness ◽

Plant Species ◽

Plant Diversity ◽

Climatic Factors ◽

Plant Species Richness ◽

Mean Annual Precipitation ◽

Published Data ◽

Seed Plants ◽

Mean Annual Temperature ◽

Taibai Mountain

The elevational distribution of plant diversity is a popular issue in ecology and biogeography, and several studies have examined the determinants behind plant diversity patterns. In this study, using published data of the local flora of Taibai Mountain, we explored the effects of spatial and climatic factors on plant species richness. We also evaluated Rapoport’s elevational rule by examining the relationship between elevational range size and midpoint. Species richness patterns were regressed against area, middle domain effect (MDE), mean annual temperature (MAT), and mean annual precipitation (MAP). The results showed that richness of overall plants, seed plants, bryophytes, and ferns all showed hump-shaped patterns along the elevational gradient, although the absolute elevation of richness peaks differed in different plant groups. Species richness of each plant group was all associated strongly with MAT and MAP. In addition to climatic factors, overall plants and seed plants were more related to area in linear regression models, while MDE was a powerful explanatory variable for bryophytes. Rapoport’s elevational rule on species richness was not supported. Our study suggests that a combined interaction of spatial and climatic factors influences the elevational patterns of plant species richness on Taibai Mountain, China.

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Predicting spatial patterns of soil bacteria under current and future environmental conditions

The ISME Journal ◽

10.1038/s41396-021-00947-5 ◽

2021 ◽

Author(s):

Heidi K. Mod ◽

Aline Buri ◽

Erika Yashiro ◽

Nicolas Guex ◽

Lucie Malard ◽

...

Keyword(s):

Bacterial Communities ◽

Soil Bacteria ◽

Environmental Changes ◽

Climatic Factors ◽

Species Distribution Modelling ◽

Community Change ◽

Abundance Distribution ◽

Mountain Area ◽

Soil Bacterial ◽

Ecosystem Changes

AbstractSoil bacteria are largely missing from future biodiversity assessments hindering comprehensive forecasts of ecosystem changes. Soil bacterial communities are expected to be more strongly driven by pH and less by other edaphic and climatic factors. Thus, alkalinisation or acidification along with climate change may influence soil bacteria, with subsequent influences for example on nutrient cycling and vegetation. Future forecasts of soil bacteria are therefore needed. We applied species distribution modelling (SDM) to quantify the roles of environmental factors in governing spatial abundance distribution of soil bacterial OTUs and to predict how future changes in these factors may change bacterial communities in a temperate mountain area. Models indicated that factors related to soil (especially pH), climate and/or topography explain and predict part of the abundance distribution of most OTUs. This supports the expectations that microorganisms have specific environmental requirements (i.e., niches/envelopes) and that they should accordingly respond to environmental changes. Our predictions indicate a stronger role of pH over other predictors (e.g. climate) in governing distributions of bacteria, yet the predicted future changes in bacteria communities are smaller than their current variation across space. The extent of bacterial community change predictions varies as a function of elevation, but in general, deviations from neutral soil pH are expected to decrease abundances and diversity of bacteria. Our findings highlight the need to account for edaphic changes, along with climate changes, in future forecasts of soil bacteria.

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Ethnobotanical Study of Some Aromatic and Medicinal Plants in the Middle Atlas Mountains of Morocco

Natural Product Communications ◽

10.1177/1934578x1100601011 ◽

2011 ◽

Vol 6 (10) ◽

pp. 1934578X1100601 ◽

Cited By ~ 1

Author(s):

Mohammed El Midaoui ◽

Abdelwahed Maataoui ◽

Mohamed Benbella ◽

Abdelhadi Ait Houssa ◽

Nadia Labazi

Keyword(s):

Medicinal Plants ◽

Local Community ◽

Climatic Factors ◽

Ethnobotanical Study ◽

Mountain Area ◽

Traditional Medicines ◽

Plant Parts ◽

Aromatic And Medicinal Plants ◽

Atlas Mountains ◽

June July

By the diversity of its soil and climatic factors, Morocco offers a flora particularly rich in aromatic and medicinal plants (MAP). In order to obtain the most information about the flora (flowering times, fruiting, harvesting and their main uses in traditional medicine), a study was conducted in the mountainous Khenifra region. A survey of users of MAP (rural population, herbalists arborists) has been undertaken and was completed by field observations and sampling at different stages of growth. The results showed a range of indigenous and diversified MAP belonging to 10 botanical families (Lamiaceae, Asteraceae, Rosaceae, Chenopodiaceae, Papaveraceae, Caryophyllaceae, Cupressaceae, Rutaceae, Anacardiaceae and Zygophyllaceae). The flowering period of all species, according to the local community surveyed, spread from February (2%) to September (12%), with a significant concentration from April to June (65%). The highest rate of fructification occurred in June-July (64%). The harvesting period of the main MAP from this mountain area stretches mainly from March to April (61%). The mode of propagation stated varied among species, and concerned mainly replication by seeds (53%) and cuttings (24%). Regarding the use of these indigenous MAP as traditional medicines, all plant parts are used, especially leaves, flowers and stems.

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