8 resultados relacionados con "Welker,Jeffrey M.".
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Artículo de revista
Warming Chambers Stimulate Early Season Growth of an Arctic Sedge: Results of a Minirhizotron Field Study

Growing seasons, Tundras, Biomass production, Ecosystems, Environmental sciences, Ecosystem Ecology, Biology, Biomass, Agricultural production, Agronomy, Botany, Plant morphology, Environmental studies, Agriculture, Soil science, Plant vegetation, Agricultural management, Biomes, Ecology, Plants, Stems, Tillers, Agricultural cycles, Climate change, Agricultu...

Año de publicación: 2005

Artículo de revista
Changes in composition and abundance of functional groups of arctic fungi in response to long-term summer warming

Temperature, DNA, Fungal - genetics, Fungi - classification, Soil Microbiology, Biodiversity, Fungi - genetics, Sequence Analysis, DNA, Climate Change, Arctic Regions, Fungi - physiology, Alaska, Seasons, Tundra

Año de publicación: 2016

Artículo de revista
Complex carbon cycle responses to multi‐level warming and supplemental summer rain in the high Arctic

infrared heating, irrigation, leaf carbon isotopes, net ecosystem exchange, photosynthesis, respiration, leaf nitrogen, alix arctica, nutrient availability, Climate, Environmental Monitoring, Rain, Arctic Regions, Ecosystem, Seasons, Carbon, Global temperature changes, Ecosystems, Analysis, Phytochemistry, Nitrogen, Rain and rainfall, Carbon cycle (Biogeoche...

Año de publicación: 2013

Artículo de revista
Long-term warming alters richness and composition of taxonomic and functional groups of arctic fungi

DNA, Fungal - genetics, Soil Microbiology, Plants - microbiology, Plant Roots - microbiology, Mycorrhizae - classification, Sequence Analysis, DNA, Global Warming, Animals, Mycorrhizae - genetics, Arctic Regions, Base Sequence, Ecosystem, Alaska, Microbial Consortia - genetics

Año de publicación: 2015

Artículo de revista
Long‐term experimental warming alters community composition of ascomycetes in Alaskan moist and dry arctic tundra

open‐top chambers, arctic soil fungi, fungal ecology, ITEX, Ion Torrent, climate change, Global Warming, DNA, Fungal - genetics, DNA, Ribosomal Spacer - genetics, Soil Microbiology, Molecular Sequence Data, Alaska, Biodiversity, Sequence Analysis, DNA, Tundra, Ascomycota - classification, Fungi, Soils, Community ecology, Taiga & tundra, Plant ecology

Año de publicación: 2015

Artículo de revista
CO2 exchange in three Canadian High Arctic ecosystems: response to long‐term experimental warming

carbon cycling, polar oasis, Ellesmere Island, carbon isotopes, Arctic tundra, climate change, Taiga & tundra, Soil testing, Ecosystems, Carbon dioxide, Nitrogen, Environmental impact, Carbon

Año de publicación: 2004

Artículo de revista
The temperature responses of soil respiration in deserts: a seven desert synthesis

general, Soils, Ecosystems, Earth Sciences, Life Sciences, Carbon, temperature, Biogeochemistry, Deserts, Biogeosciences, Environmental Chemistry, Soil carbon cycling, Q 10, Hierarchical Bayesian

Año de publicación: 2011

Artículo de revista
Evidence and Implications of Recent Climate Change in Northern Alaska and Other Arctic Regions

CO2, CO 2, global warming, climate change, greenhouse effect, greenhouse effect gases, emisiones de gases de efecto invernadero, carbon dioxide

Año de publicación: 2005