Ecological function of biological soil crusts

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August undefined, 2024

WebMar 31, 2024 · Soil erosion is a popular environmental issue that threatens sustainability. Influenced by multiple factors, such as climate, soil, and terrain, Baotou City, which is in the Bohai Sea Economic Circle and the Economic Belt along the Yellow River, has a severe ecological environment. In this study, revised soil and soil wind erosion equations were … WebAbstract. Biological soil crusts (BSCs) play important ecological roles in vegetation and ecological restoration in desert regions, and different crust developmental and successional stages have different ecological functions. In this experiment, the BSCs in Shapotou region (at southeast edge of Tengger Desert) were investigated to study crust ...

Ecological functions comparison of moss crust and algae crust …

Web摘要： Biological soil crusts across the desert regions play a key role in regional ecological security and ecological health. They are vital biotic components of desert ecosystems that maintain soil stability, fix carbon and nitrogen, influence the establishment of vascular plants, and serve as habitats for a large number of arthropods and … WebThere is a significant（ P <0.05） difference in soil water content between the two biological soil crusts， which indicates that the soil water content of moss crust is greater than that of algae crust in the depth range of 0-80 cm， and the opposite is true in the depth range between 90-100 cm；（2）compared with bare land， the soil ... hayden kyriss

Bo XIAO Professor Professor of Soil Science (Soil Physics)

WebJun 1, 2002 · to the ecological functions of biological crusts, presented in two interesting parts. Part IV ... Biological soil crust coverage ranged from 0% to 87%, with a gradient in coverage from north to ... WebMay 21, 2016 · This volume summarizes our current understanding of biological soil crusts (biocrusts), which are omnipresent in dryland regions. Since they cover the soil surface, they influence, or even control, all surface exchange processes. Being one of the oldest terrestrial communities, biocrusts comprise a high diversity of cyanobacteria, … WebFeb 24, 2011 · When we consider ecosystem multi-function, the provision of multiple ecosystem functions simultaneously, we may find that seemingly redundant species may in fact play unique roles in ecosystems. 2. Over the last few decades, the significance of biological soil crusts (BSCs) as ecological boundaries and ecosystem engineers, and … raisin noah rose

Biological soil crusts in ecological restoration: emerging researc…

WebBiological soil crusts, or biocrusts, are complex communities of cyanobacteria, algae, lichens, bryophytes and other organisms living in association with the top millimeters of soil. Drylands encompass over 40% of terrestrial ecosystems and face significant anthropogenic degradation causing a loss of ecosystem integrity, services, and ... hayden joseph tourWebBiological soil crusts (BSCs) are common and play critical roles in semi-arid and arid ecosystems. ... with soil nutrients, soil salts, and soil enzymes. Additionally, variation of bacterial composition led to different ecological function. In bare sand, some species were related with mineral metabolism or promoting plant growth, and in algal ... raisin poisoning dog symptoms

"WebJan 1, 2024 · Photosynthesis and respiration of biological soil crusts (BSCs) sampled along a mobile inland dune catena were determined to evaluate the applicability of Odum's P/R ratio, determined under controlled conditions, for estimation of ecosystem maturity. The theory is that in the early stages of ecological succession, the total photosynthesis (P) … " - Ecological function of biological soil crusts

Ecological function of biological soil crusts

Species composition, distribution patterns and ecological functions …

WebMar 15, 2024 · IntroductionBiological soil crusts (BSCs) constitute a substantial portion of primary production in dryland ecosystems. They successionally mature to deliver a series of ecosystem services. Bacteria, as an important community in BSCs, play critical roles in maintaining the structure and functions of BSCs. However, the process by which … Biological soil crusts are communities of living organisms on the soil surface in arid and semi-arid ecosystems. They are found throughout the world with varying species composition and cover depending on topography, soil characteristics, climate, plant community, microhabitats, and disturbance regimes. Biological soil crusts perform important ecological roles including carbon fixation, nitrogen fix…

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WebMar 18, 2024 · The biogeochemical cycling of soil elements in ecosystems has changed under global changes, including nutrients essential for plant growth. The application of biochar can improve the utilization of soil nutrients by plants and change the stoichiometry of carbon (C), nitrogen (N), and phosphorus (P) in plants and soil. However, the … WebJan 5, 2024 · Biological soil crusts (biocrusts) are a complex community of algae, cyanobacteria, lichens, bryophytes, and assorted bacteria, fungi, archaea, and bacteriophages that colonize the soil surface. ... The …

WebAbstract. Abstract: Biological soil crust exists in desertification-prone areas.This paper focuses on ecological function of biological soil crust,including water relations,soil stabilization,carbon and nitrogen fixation,albedo and effects on vascular plants.Some preliminary suggestions are given for further understanding the relationship ... WebSep 28, 2024 · Environments can be in states of dynamic change as well as persistent stability. These different states are a result of outside external conditions, but also the constant flux of living organisms in that ecological fauna. Nematodes are tremendously diverse, and many types can reside in the same soil microenvironments at the same …

WebConsisting of various cyanobacteria, algae, lichens, and mosses, biological soil crusts (BSC) represent microbial ecosystems essential for many arid and semi-arid regions. Their structure and function have been researched intensely with little attention to spatial characteristics. Because it studies biota-landform interactions, biogeomorphology as a … WebSep 2, 2024 · Ecological Development and Functioning of Biological Soil Crusts After Natural and Human Disturbances ... diversity dominated drying dryland Ecol ecological ecosystem effects Environ environmental established et al factors Figure fire forest function fungal fungi green groups growth habitats higher hypolithic important increased indicate ...

WebBiological soil crusts (BSCs) consist of assemblages of living organisms on soil or rock surfaces in arid and semiarid areas. Typically composed of cyanobacteria, fungi, lichens, and algae, they cover a wide variety of undisturbed Sonoran Desert soils (Fig. 10.6) and protect desert surfaces from erosional shear stresses imposed by overland flow and …

WebOur work examines the biogeochemical functional roles that soil microbial communities play in forest ecosystems through detailed measurements of soil nutrient recycling rates, biological nitrogen fixation, organic matter turnover, nutrient leaching, and soil fluxes of greenhouse gases (e.g., carbon dioxide, methane and nitrous oxide ... raisin playWebBiological soil crusts (BSCs) develop when various combinations of diminutive cyanobacteria, eukaryotic algae, non-lichenized fungi, lichens, and/or bryophytes occupy the upper few millimeters of the soil and raw material. They can be present in a wide range of ecological, including successional, and climatic conditions when and where disturbance … raisin poisoning dogWebFeb 21, 2024 · BSCs also affect ecosystem functions by limiting soil evapotranspiration and increasing the availability of resources beneath them (Berdugo et al., 2014; Delgado-Baquerizo et al., 2013). Consequently, BSCs are the primary source of fine-scale heterogeneity for annual plant communities in gypsum soils, and they are expected to … hayden joseph musicWebNov 9, 2024 · In the uppermost millimeters of soils is commonly found a thin layer of cryptobiotic organisms, including cyanobacteria, microalgae, lichens, mosses, fungi, bacteria and archaea. These communities are called Biological Soil Crusts (BSCs) or biocrusts and perform important ecological functions, mainly attributed to their capacity of providing … hayden kennedy tulsaWebJun 8, 2016 · Inoculation of severely disturbed soil with native biocrusts rapidly restored biocrust communities and soil stability such that restored areas were similar to undisturbed desert within three years. Using salvaged biocrust as inoculum can be an effective tool in ecological restoration because of its efficacy and simple implementation. hayden & kohlmeier orthodontics manhattan ksWeb10 rows · Oct 1, 2013 · Biological soil crusts carry out essential ecological roles in desert ecosystems (Evans and ... hayden oaksWebStudies of biological soil crusts (biocrusts) have proliferated over the last few decades. The biocrust literature has broadened, with more studies assessing and describing the function of a variety of biocrust communities in a broad range of biomes and habitats and across a large spectrum of disciplines, and also by the incorporation of biocrusts into … raisin lip gloss