Results 21 to 30 of about 77,691 (273)

Weighing the Benefits and Risks of Medical Marijuana Use: A Brief Review

open access: yesPharmacy, 2018
Despite federal prohibition of medical marijuana possession, sale, and use, marijuana use continues to escalate as state legalization persists and expands.
Allison Karst
doaj   +1 more source

Inclusion Characteristics of the Fracture-Cave Calcite of Ordovician Yingshan Formation and Its Indication to the Formation of Paleokarst Reservoir in the Northern Slope of Tarim Basin Center Area, China

open access: yesFrontiers in Earth Science, 2022
A karst fracture-cavity was developed in the Ordovician Yingshan Formation in the northern slope of the Tarim Basin center area (Tazhong area); however, the area experienced multistage karst and diagenesis in the later period, and the reservoir was ...
Yong Dan   +11 more
doaj   +1 more source

Sustainability of the karst environment - Dinnaric karst and other karst regions

open access: yesGeologia Croatica, 2010
The objective of the international interdisciplinary scientific conference “Sustainability of the karst environment - Dinaric karst and other karst regions”, organized by Centre for Karst, Gospić, Croatia, was to give a theoretical and practical contribution to the concept of sustainable development in karst regions, with a special emphasis on the ...
Juračić, Mladen, Bonacci, Ognjen
openaire   +5 more sources

Gypsum karst geohazards in China [PDF]

open access: yes, 1997
China has the worlds largest proven gypsum (CaSO4.2H2O) resources in the world. The gypsum ranges from pre-Cambrian to Quaternary in age and occurs in varied geological environments.
Cooper, A.H., Yaoru, Lu
core   +3 more sources

Aesthetic value protection and tourism development of the world natural heritage sites: a literature review and implications for the world heritage karst sites

open access: yesHeritage Science, 2023
Recently, research on outstanding universal value (OUV) protection and tourism development at World Natural Heritage sites (WNHSs) has attracted scholarly attention.
Shirong Zhang   +4 more
doaj   +1 more source

Carbon and oxygen isotope characteristics and paleoenvironmental significance of deep karst fracture-cave fillings in Huanjiang sag, Guangxi

open access: yesCarsologica Sinica, 2022
In recent years, deep karst caves are commonly met in deep resource exploration and engineering construction. However, the deep-buried caves lead to the insufficient research on the genesis and development mechanism of deep karst caves.
Hongqi DONG   +6 more
doaj   +1 more source

Karst ecosystem and its plants

open access: yesCarsologica Sinica, 2022
Karst ecosystem is a vulnerable ecosystem constrained by a karst environment that is characterized as being rich in calcium, short of soil resources and insufficient for water resources (less surface water and rich groundwater water).
Jianhua CAO   +8 more
doaj   +1 more source

Trial comparison of the medieval malt-kilns from Polish and Czech territories on selected examples

open access: yesKvasný průmysl, 2016
Malt kilns with complex and specialized construction became popular in Central Europe in the XIVth century. They consisted of two basic elements: heating unit and supported on it the grid (drying floor). Depending on the kind of the construction of these
Dobiesław Karst
doaj   +1 more source

Karst and geotops of karst origin in Albania

open access: yesBulletin of the Geological Society of Greece, 2018
Albania is one of the most karst-developed countries in Europe. Karst phenomena are related to soluted carbonate formations which cover of about 7300 km2 of Albanian territory and with sulfate evaporates rocks, which outcrop of about 500 km2. Typically alpine relief of average altitude 708 m above the sea level and high horizontal splitting are ...
SERJANI, A.   +3 more
openaire   +3 more sources

Assessment of karst geomorphosites on Kucaj and Beljanica mountains as a resource for the development of karst-based geopark [PDF]

open access: yes, 2020
Protection and promotion of geoheritage has been changing and improving in recent decades, in line with the growing research in this field. Some research papers specifically study geomorphological geoheritage and introduce a special term - geomorphosite.
Petrović, Aleksandar S.   +7 more
core   +1 more source

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