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Based on the normalized difference vegetation index and climate data, this study investigated the spatiotemporal change of fractional vegetation cover (FVC) and its relationship with climate change in freshwater marshes of Northeast China from 2000 to 2016. Although freshwater marshes in Northeast China have undergone loss during the past nearly 20 years, the FVC of unchanged marshes has increased...
Large-scale land reclamation, agricultural activities, and unsustainable practices in agricultural production have caused a lot of damage to natural wetlands in the Amur River Basin since the foundation of the People’s Republic of China. We studied several factors to address the conflicts between agricultural development and natural wetland conservation. We also investigated the effects of canalization,...
Tussocks in sedge meadows may be able to support biodiversity because of their structural complexity. We studied Carex meyeriana tussocks to look at their role in creating micro-heterogeneity and supporting biodiversity in northeastern China. We investigated vegetation in paired plots on and between tussocks of C. meyeriana, and measured water depth, soil water content, soil temperature, soil organic...
Deciphering how climate change affects carbon accumulation rates (Carbonsq) is vital to understanding climate-carbon pool feedbacks on century scales. Carbon, nitrogen, and phosphorus accumulation rates were estimated by isotopic 210Pb dating technology from 10 temperate wetlands in Northeast China. Soil carbon, nitrogen and phosphorus accumulated at average rates of 164.75 gC m−2 yr.−1, 5.61gN m−2...
Wetland ecosystems provide important services to human societies. However, with the rapid growth of population and the national demand for food, the natural marshlands in Sanjiang Plain have been reclaimed extensively since 1950s. Faced to these pressures, marshland services had usually been paid less attention. This study evaluated the dominant ecosystem services including carbon budget, soil water...
Soil organic carbon (OC) is sensitive to climatic change, and it can be expected to manifest measurable responses to global warming. Globally, nitrogen (N) and phosphorus (P) are the most common nutrients limiting plant growth and soil carbon storage. We collected soil samples at 17 marsh sites in August 2012 across Northeast China. These samples were analysed for variations in soil organic carbon...
Scirpus planiculmis, a perennial herb typically grown from tubers in wetlands, is the main food species for migratory Siberian white crane (Grus leucogeranus) in Momoge National Nature Reserve (MNNR), northeastern China. However, Echinochloa caudata, an annual weed propagated only from seed, became the dominant species in the majority of the rewetted site in Momoge wetland, which decreased the habitat...
Amendments of sediment from dredging activities have played an important role in raising the elevation of sinking coastal wetlands. This study compared the soil characteristics of sediment- amended coastal swamps in the Barataria Preserve unit of Jean Lafitte National Historical Park and Preserve with natural swamps along Bayou des Familles. The sandy sediment amendments used in the coastal forests...
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