Results 31 to 40 of about 77,691 (273)

Hydrogeochemical responses of cave drip water to the local climate in the Liangfeng Cave, Southwest China

open access: yesHydrology Research, 2022
The hydrogeochemistry of cave drip water is an important environmental index in cave systems, and drip water monitoring may be an essential solution for paleoclimate reconstructions.
Xia Wu   +4 more
doaj   +1 more source

Ectomycorrhizal and arbuscular mycorrhizal fungi associated with aspen (Populus tremuloides) roots yielded from Illumina sequencing

open access: yes, 2021
On August 24, 2019, Justine Karst and Nadir Erbilgin sampled a 30–50 cm segment of root from each of three aspen trees within each plot at the interface of the humus layer of the forest floor and mineral soil.
Karst, Justine
core   +1 more source

Leaf litter chemistry and its effects on soil microorganisms in different ages of Zanthoxylum planispinum var. Dintanensis

open access: yesBMC Plant Biology, 2023
Background Leaf litter is the products of metabolism during the growth and development of plantation, and it is also an important component of nutrient cycling in plantation ecosystems.
Yanping Song   +3 more
doaj   +1 more source

The Characteristics of Soil C, N and P and Stoichiometric Ratios as Affected by Land-Use in a Karst Area, Southwest China

open access: yesLand, 2023
Chemometric analysis is often used as an effective indicator of the supply capacity of nutrients in soil–plant systems and their biogeochemical cycles. Understanding ecological stoichiometric characteristics of C, N and P in soils under various land uses
Yang Ma   +5 more
doaj   +1 more source

Transport von Mikroorganismen in einem Karstaquifer am Beispiel der Lützelquelle [PDF]

open access: yes, 2004
Karst terrains cover about 25% of the earth’s surface and karst aquifers are estimated to provide about a quarter of the world’s population with potable water.
Auckenthaler, Adrian Georg
core   +1 more source

Water flow characteristics of Maocun underground river basin based on environmental isotopes

open access: yesCarsologica Sinica, 2022
Underground river basins in peak-cluster depressions are main water supply sources of villages in Guangxi. But there exist problems of groundwater exploitation, groundwater pollution and natural disasters in these areas due to a special geological ...
Yongli GUO   +5 more
doaj   +1 more source

Introduction to the Dinaric Karst

open access: yes, 2010
Dinaric karst is expansive, 800 km long and up to 150 km wide area of karst, which extends over majority of Dinaric mountains and therefore also over the southwestern part of Slovenia.

core   +1 more source

Redescription of the cranial morphology of Amphisbaena braestrupi and Amphisbaena laurenti (Squamata: Amphisbaenidae) from the Pleistocene of Brazil using x‐ray computed tomography

open access: yesThe Anatomical Record, EarlyView.
Abstract Amphisbaenians (Squamata: Amphisbaenidae) are fossorial reptiles with highly specialized cranial morphology, yet their fossil record is frequently limited by fragmentary preservation. This study provides a detailed osteological redescription of the skulls of Amphisbaena braestrupi and Amphisbaena laurenti from the Pleistocene of Lagoa Santa ...
Carolina L. Paiva   +2 more
wiley   +1 more source

Distribution characteristics of iodine in karst groundwater in Xintian county, Hunan Province and the analysis on the causes of high iodine

open access: yesCarsologica Sinica, 2023
Iodine is one of the essential trace elements for human body, which maintains the growth and normal metabolism of the organism. Iodine deficiency or excess will have different degrees of impact on human health.
Xiaopan LI   +3 more
doaj   +1 more source

Investigations of rapid groundwater flow and karst in the Chalk [PDF]

open access: yes, 2009
This study, with fieldwork undertaken in the Pang and Lambourn catchments in Southern England, investigates the occurrence and distribution of rapid groundwater flow in the Chalk and evaluates the degree of karstification.
Maurice, L.
core  

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