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Pedodiversity and ornithogenesis of a tiny Antarctic Island (Half Moon): landform-geology-vegetation interrelationships.
An Acad Bras Cienc
November 2024
Universidade Federal de Viçosa (UFV), Núcleo Terrantar, Departamento de Solos, Vila Gianetti, 8, 36570-075 Viçosa, MG, Brazil.
Article Synopsis
- The Antarctic climate limits soil formation and the development of ecosystems, leading to most biological activity occurring during the brief summer in ice-free areas, where penguins contribute to nutrient transport through guano.
- This study analyzes the ornithogenic soils of Half Moon Island, focusing on how the island's geology, vegetation, and landforms affect soil characteristics by examining 21 soil profiles collected during the 2014/2015 summer.
- Results show that the soils are mostly Cryosols and Leptosols with high gravel content and varying chemical properties, emphasizing how seabird activity and glacial processes shape soil diversity in Antarctic regions.
Methods to identify and distinguish the effects of weathering and landslides on sediment granulometry.
Sci Rep
November 2024
Geographical Institute, HUN-REN RCAES, Budapest, 1112, Hungary.
Urbanization has resulted in the widespread development of built-up areas, often without considering the local geology and geomorphology. To improve risk assessments related to landslides, it is essential to determine the physical and chemical properties of sediments. The aim of this study is to exemplify an already mobilized and reworked layer based on granulometric properties of the sediments and characterize the chemical and physical properties which have changed during or after the mass movement.
View Article and Find Full Text PDFEffects of river infrastructure, dredged material placement, and altered hydrogeomorphic processes: The stress ecology of floodplain wetlands and associated fish communities.
Sci Total Environ
December 2024
NOAA Fisheries, Northwest Fisheries Science Center, Point Adams Research Station, Hammond, OR, USA.
Article Synopsis
- Research on coastal and floodplain wetlands highlights the importance of restoring biological functions after species declines, emphasizing the need to understand human impacts on these ecosystems.
- The study explored the effects of both local (like diking and dredging) and basin-wide stressors (like dams) on the hydrology and ecology of tidal river floodplains, using various physical and biological response variables.
- Findings indicate that the position of wetlands relative to river dynamics and salinity has a greater influence on plant and fish communities than the history of stressors; areas with past diking and dredging showed significant alterations in channel characteristics compared to those primarily affected by larger landscape-scale factors.
Rich north, poor south - Regionalization of European water retention: The landscape hydric potential concept.
Sci Total Environ
December 2024
Division of Structural Mechanics and Material Mechanics, Faculty of Civil Engineering, Cracow University of Technology, Warszawska 24, 31-155 Kraków, Poland.
Natural water retention varies greatly across Europe. Understanding the key ecosystem factors that affect the quantity, quality, availability, and spatiotemporal distribution of water resources is essential for effective landscape management. This study presents the Landscape Hydric Potential (LHP) index of Europe, which serves as an indicator of the natural environment's ability to infiltrate and retain water.
View Article and Find Full Text PDFAssessing spatio-temporal heterogeneity and drivers of ecosystem services to support zonal management in mountainous cities.
Sci Total Environ
December 2024
School of landscape architecture, Beijing Forestry University, Beijing 100083, China. Electronic address:
With complex topography and geomorphology, mountainous cities possess abundant natural resources. They are constrained by ecological environment and topographic conditions, leading to a prominent contradiction between urbanization development and ecological protection. As a result, ecosystem services (ESs) are under greater regulatory pressure.
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