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Where Does Water for the Tian Shan Shrubland’s Growing Season Come From? Stable Isotopes Reveal the Critical Contribution of Winter and Spring Precipitation

Research BackgroundThe hydrological processes of plants in forest ecosystems of arid regions are an essential component of regional water cycles. They not only influence community structure, ecological functions, and productivity but also affect the regional balance of matter and energy. As the primary source of water input into arid ecosystems, precipitation exhibits significant seasonal variability and limited temporal availability. The coniferous forests at the northern foothills of the Tianshan Mountains represent a typical cool-temperate forest characterized by relatively abundant rainfall during spring and summer, a long and frigid winter with substantial snowfall and prolonged snow cover, thus forming a unique seasonal pattern of water supply. However, under this spatiotemporal prec...

release time: 2026 - 09 - 01

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Response of Groundwater Recharge to Precipitation Extremes in Ecologically Restored Watersheds

Research BackgroundUnder the combined influence of global change and human activities, groundwater systems are facing increasingly severe pressures. Particularly in semi-arid regions, uneven spatiotemporal distribution of precipitation, ecological restoration that alters the underlying surface structure, and the substantial vadose zone’s resistance to downward water infiltration have made questions such as “when and how groundwater is recharged, and what the magnitude of that recharge is” central scientific issues. The hilly–gully region of the Loess Plateau is a quintessential ecologically fr...

release time: 2026 - 05 - 09

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Impacts of Spartina alterniflora invasion on CH₄ and CO₂ fluxes and radiative forcing in coastal salt marshes

Against the backdrop of global change, coastal salt marshes are regarded as vital “blue carbon” ecosystems due to their substantial carbon‑sequestration potential. However, over the past three decades, the invasive plant Spartina alterniflora—native to the Atlantic coast of North America—has spread rapidly across China’s coastal salt marshes, continuously disrupting wetland ecological structures and biogeochemical processes, thereby introducing new uncertainties into the blue carbon functions of these ecosystems. Does the expansion of Spartina alterniflora enhance the carbon‑sequestration capa...

release time: 2026 - 04 - 17

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