Results 71 to 80 of about 20,988 (296)

A Statistical‐Process Hybridized Approach to Modeling Permafrost Distribution in a Boreal Wetland Ecosystem, Whatì, NT, Canada

open access: yesPermafrost and Periglacial Processes, EarlyView.
ABSTRACT High‐resolution mapping of permafrost in ecologically and topographically complex landscapes remains a major challenge. Existing models of permafrost extent often rely on equilibrium assumptions, which can misrepresent conditions in regions where permafrost persists largely due to ecosystem structure.
Philip P. Bonnaventure   +3 more
wiley   +1 more source

Response of Soil Moisture to Precipitation at Different Smash-Ridging Tillage Depths in Typical Sugarcane Fields in Guangxi, China

open access: yesAgronomy
The purpose of this study was to identify the optimal smash-ridging tillage depth in sugarcane fields in Guangxi, China, in order to improve soil moisture conditions.
Yu Zhang   +4 more
doaj   +1 more source

GUA KIDANG, PILIHAN MANUSIA PRASEJARAH DI KAWASAN KARST BLORA

open access: yesBerkala Arkeologi, 2008
Blora karst area is a part of Rembang karst area on its northern and southern side of Kendeng Mountain. Geographically as well as geologically, Blora karst area is similar to Tuban karst area, but from archaeological aspect both areas show a significant ...
Indah Asikin Nurani   +1 more
doaj   +1 more source

CO2 and speleogenesis: suggestions from hypogene karst of Italy [PDF]

open access: yes, 2015
The CO2 driving the main karst processes needs to be considerate from different sources. The carbon dioxide produced in the soil and dissolved in the percolation water is considered as the main agent for karstification in the carbonate rocks.
MENICHETTI, MARCO
core  

Karst spring discharge modeling based on deep learning using spatially distributed input data

open access: yes, 2022
Despite many existing approaches, modeling karst water resources remains challenging as conventional approaches usually heavily rely on distinct system knowledge.
Liesch, Tanja   +7 more
core   +1 more source

Simulated elephant foraging alters tree root exudation rates: Species‐specific responses and implications for belowground carbon dynamics in tropical forests

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Asian elephants play crucial roles in ecosystem functioning, and their interactions with plants influence above‐ and belowground carbon cycling. We tested whether their mechanically destructive foraging triggers short‐term, stress‐induced shifts in tree root exudation, an underappreciated pathway linking herbivory to belowground carbon processes.
Pratibha Khatri   +3 more
wiley   +1 more source

Patterns and drivers of tufa moss diversity across alpine petrifying springs landscape gradient on the Tibetan Plateau

open access: yesGlobal Ecology and Conservation
Petrifying springs characterized by active tufa deposition represent priority habitats due to their ecological and geomorphological importance. These fragile ecosystems harbor specialized bryophyte assemblages that maintain essential ecosystem functions ...
Yuanyuan Zhou   +6 more
doaj   +1 more source

Waves of range dynamics and gene flow characterize the biogeographic history of Litsea elongata, a dominant tree in East Asian evergreen broadleaved forests

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Evergreen broadleaved forests (EBLFs) represent an iconic vegetation type in subtropical montane East Asia, but they are experiencing intensifying anthropogenic pressure and increasing habitat fragmentation. Here, using a dominant and widespread tree species characteristic of East Asian EBLFs, we examine its phylogeographic history and evaluate what it
Sheng‐Yuan Qin   +7 more
wiley   +1 more source

Da solução ao problema: um estudo sobre os conflitos, os impactos sócio-ambientais e as representações sociais envolvidas no uso e na gestão da água do aquífero Karst no município de Colombo (PR) [PDF]

open access: yes, 2007
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Filosofia e Ciencias Humanas. Programa de Pós-graduação em Sociologia PolíticaEsta dissertação trata das representações sociais dos sujeitos envolvidos no uso e na gestão da água ...
Zarpelon, Jeniffer Tammy Gusso
core  

Recent advancements and emerging challenges in deep underground engineering

open access: yes
Deep Underground Science and Engineering, EarlyView.
Jianguo Wang, Chunfai Leung
wiley   +1 more source

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