The effects of hydrological connectivity blocking on Suaeda salsa development in the Yellow River Delta, China

Article Plant Sciences

Positive effects of NaCl on the photoreaction and carbon assimilation efficiency in Suaeda salsa

Qiang Li et al.

Summary: Under saline conditions, Suaeda salsa shows improved photosynthetic efficiency and biomass production when treated with 200 mM NaCl, which enhances Rubisco activity and chlorophyll content.

PLANT PHYSIOLOGY AND BIOCHEMISTRY (2022)

Add to Collection

Article Environmental Sciences

Impact of water-sediment regulation on the concentration and transport of dissolved heavy metals in the middle and lower reaches of the Yellow River

Shuli Xue et al.

Summary: This study investigated the impacts of water and sediment regulation on the distribution of heavy metals in the Yellow River. It found that the dissolved heavy metal concentrations were significantly influenced by the water-sediment regulation process. The human intervention, especially the operation of water and sediment regulation, clearly altered the natural states of both the mainstream and estuarine environments of the Yellow River.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

Add to Collection

Article Environmental Sciences

Hydrologic connectivity drives extremes and high variability in vegetation productivity across Australian arid and semi-arid ecosystems

Alexander J. Norton et al.

Summary: Vegetation growth plays an important role in land-atmosphere interactions, but the impact of water movement on vegetation response has been underestimated. This study shows that ecosystems with high hydrologic connectivity have higher interannual variability in vegetation productivity, driven by differences in soil moisture and water capacity. These ecosystems contribute significantly to regional carbon uptake through higher rates of photosynthesis and also affect annual anomalies. Global land surface models need to consider the role of water connectivity in order to accurately simulate carbon uptake.

REMOTE SENSING OF ENVIRONMENT (2022)

Add to Collection

Article Environmental Sciences

Experimental evidence from Suaeda glauca explains why the species is not naturally distributed in non-saline soils

Xiangbin Lu et al.

Summary: Euhalophytes, such as Suaeda glauca, are not naturally distributed in non-saline areas, and the reason for this is unclear. Research shows that salt has an adverse effect on seed germination and seedling emergence of S. glauca. Seedlings grown in non-saline soils become dwarf and uniform, which might weaken their ability to compete with glycophytes in non-saline habitats.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

Add to Collection

Article Plant Sciences

The presence of salts in the leaf exudate improves the photosynthetic performance of a recreto-halophyte, Tamarix chinensis

Tabassum Hussain et al.

Summary: This study investigated the influence of Tamarix chinensis on its immediate environment and soil health. The results showed that the excreted salts on its leaves enhanced photosynthesis and water use efficiency. Precipitation alleviated soil salinity and increased the availability of essential nutrients. However, low temperature and increased soil salinity negatively affected the plant's growth. The study also found that T. chinensis positively influenced species diversity by improving soil and atmospheric properties.

ENVIRONMENTAL AND EXPERIMENTAL BOTANY (2022)

Add to Collection

Article Green & Sustainable Science & Technology

Cracks and root channels promote both static and dynamic vertical hydrological connectivity in the Yellow River Delta

Yuan Cui et al.

Summary: This study reveals the role of static and dynamic connectivity in vertical hydrological connectivity in soil. Static connectivity is mainly formed by cracks and root channels in the soil, leading to heterogeneous distribution of water and solutes. Dynamic connectivity differs between soil columns, with non-equilibrium flow characterized by high infiltration rate and concentration. Static connectivity has a significant impact on water movement, but no effect on solute transport.

JOURNAL OF CLEANER PRODUCTION (2022)

Add to Collection

Article Environmental Sciences

Loss of lateral hydrological connectivity impacts multiple facets of molluscan biodiversity in floodplain lakes

Peng Zheng et al.

Summary: This study evaluated the responses of multiple facets (taxonomic, functional, and phylogenetic) of freshwater molluscs to the loss of lateral hydrological connectivity in floodplain lakes in the Yangtze River Basin. The results showed that functional diversity was significantly higher in connected lakes compared to disconnected lakes, indicating a high level of functional diversity loss without replacement. Lake area, hydrological connectivity, aquatic vegetation coverage, and nutrient levels played important roles in shaping molluscan alpha and beta diversities.

JOURNAL OF ENVIRONMENTAL MANAGEMENT (2022)

Add to Collection

Article Biodiversity Conservation

Integrating two aspects analysis of hydrological connectivity based on structure and process to support muddy coastal restoration

Yufeng Li et al.

Summary: This study focused on the northern buffer zone of Yancheng National Nature Reserve and found that the hydrological connectivity in the region was great, with land use types having a significant impact. The sea-land hydrological connectivity decreased from the sea to the land, and hotspot analysis provided important information for wetland restoration planning in the area.

ECOLOGICAL INDICATORS (2021)

Add to Collection

Article Plant Sciences

Fire has little to no effect on the enhancement of germination, but buried seeds may survive in a Neotropical wetland

Vanessa C. Soares et al.

Summary: The study revealed that heat shocks and experimental burns had different effects on two dormant seeds in the Pantanal wetland, with increasing temperature negatively impacting seed water content and germination rates. Fire had little effect on seed germination, with seeds mainly surviving when buried belowground.

FLORA (2021)

Add to Collection

Article Geosciences, Multidisciplinary