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48 results for “alpine ecosystems”
Figure 12 from: Germann C (2020) The first discovery of the genus Pseudoalaocybites Osella, 1980 from Ecuador, with a description of a new species in an alpine ecosystem (Coleoptera, Curculionidae: Molytinae). Alpine Entomology 4: 23-27. https://doi.org/10.3897/alpento.4.49848
Figure 12 Habitat aspect at foothills of Chimborazo at 4100 m a.s.l.
Figure 1 from: Lapin K, Bindewald A, Kraxner F, Marinšek A, La Porta N, Hazarika R, Chakraborty D, Oettel J, Berger F, Detry P, Kolesaric G, Baric D, Abluton S, Ulrici G, Georges I, Schweinzer KM, Schüler S (2020) A transnational cooperation for sustainable use and management of non-native trees in urban, peri-urban and forest ecosystems in the Alpine region (ALPTREES). Research Ideas and Outcomes 6: e53038. https://doi.org/10.3897/rio.6.e53038
Figure 1 ALPTREES Regions.
Data from: Temperature mediated responses of carbon fluxes to precipitation variabilities in an alpine meadow ecosystem on the Tibetan Plateau
Effects of climate warming and changing precipitation on ecosystem carbon fluxes have been intensively studied. However, how they co-regulate carbon fluxes is still elusive for some under-studied ecosystems. To fill the gap, we examined net ecosystem productivity (NEP), gross ecosystem productivity (GEP) and ecosystem respiration (ER) responses to multi-level of temperature increments (control, warming 1, warming 2, warming 3, warming 4) in three contrasting hydrological growing seasons in a typical semiarid alpine meadow. We found that carbon fluxes responded to precipitation variations more strongly in low-level warming treatments than in high-level ones. The distinct responses were attributable to different soil water conditions and community composition under low-level and high-level warming during the three growing seasons. In addition, carbon fluxes were much more sensitive to decreased than to increased precipitation in low-level warming treatments, but not in high-level ones. At a regional scale, this negative asymmetry was further corroborated. This study reveals that future precipitation changes, particularly decreased precipitation would induce significant change in carbon fluxes, and the effect magnitude is regulated by climate warming size.
Data from: The effects of warming and nitrogen addition on ecosystem respiration in a Tibetan alpine meadow: the significance of winter warming
Global warming has become an indisputable fact on the Tibetan Plateau in the last decades. Alpine ecosystems are very sensitive to global warming, while the impact may depend on the degree of atmospheric nitrogen (N) deposition. Previous studies paid more attention on year-round warming, while the effects of winter warming was still lacking. In this paper, a manipulative experiment consisted of warming and N addition was carried out in an alpine meadow since 2010, and three types of warming treatments were set up: no-warming (NW), year-round (YW) and winter warming (WW). Warming significantly increased air and soil temperature, but decreased soil moisture. YW significantly decreased ecosystem respiration (Reco) in 2012, and WW decreased Reco under no N addition in 2014, while neither YW nor WW had significant effects on Reco under N addition, indicating that N addition compensated the negative effect of warming on Reco. Annually, YW and WW decreased total carbon (C) emissions, and the decrease extent was even larger under winter warming. Both YW and WW significantly decreased aboveground biomass under no N addition. YW significantly decreased soil inorganic N, and WW decreased it in 2013 and 2014 under no N, and WW decreased soil microbial biomass C. Structure Equation Modelling showed that soil moisture was the most important factors regulating Reco, and soil inorganic N content and microbial biomass C can explain 46.6% and 16.8% variations of Reco. The findings indicate that soil properties changes under warming had substantially effects on ecosystem C efflux in this alpine meadow. Inhibitory effects of winter warming on ecosystem C efflux were mainly attributed to the decline of soil N and soil microbial biomass, thus the effects of winter warming on ecosystem C emission are not so serious as expected and largely depend on N deposition in this semi-arid alpine meadow.
Data from: Temperature mediated responses of carbon fluxes to precipitation variabilities in an alpine meadow ecosystem on the Tibetan Plateau
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Data from: The effects of warming and nitrogen addition on ecosystem respiration in a Tibetan alpine meadow: the significance of winter warming
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An improved IBIS model for simulating NPP dynamics in alpine mountain ecosystems: a case study in the eastern Qilian Mountains, northeastern Tibetan Plateau
<p>The data set include figures and tables. They provide supports for an improved IBIS model for simulating NPP dynamics in alpine mountain ecosystem.</p> <p>Fig. 1 Study area</p> <p>Fig. 2 Framework of the IBIS<sub>i</sub> model</p> <p>Fig. 3 Spatialization of soil thickness</p> <p>Fig. 4 Nonlinear relation between soil thickness and slope.</p> <p>Fig. 5 Sample areas for validation</p> <p>Fig. 6 A comparison of NPP monitored by remote sensing, NPP simulated by the IBIS model and NPP simulated by IBIS<sub>i</sub> model in the EQM from 2000 to 2015.</p> <p>Table 1. Vegetation parameters regionalization</p> <p>Table 2. Initialization of total LAI</p>
Particulate organic carbon controlled the upper limit of soil organic carbon in natural alpine ecosystems of northeast Qinghai-Tibet Plateau
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.