Results 91 to 100 of about 184,136 (243)

Understanding natal emigration in group‐living carnivores

open access: yesJournal of Animal Ecology, EarlyView.
Dispersal is a key ecological and evolutionary process, yet drivers of variation in emigration under human‐modified conditions remain understudied. Using a novel genetic approach applied to harvested grey wolves in Idaho, USA, we found that prey availability and population density shape natal emigration patterns in a cooperative breeder.
Kathleen M. Petersen   +3 more
wiley   +1 more source

The effect of nitrogen input on N2O emission depends on precipitation in a temperate desert steppe

open access: yes
Nitrous oxide (N2O) is the third most important greenhouse gas, and can damage the atmospheric ozone layer, with associated threats to terrestrial ecosystems. However, to date it is unclear how extreme precipitation and nitrogen (N) input will affect N2O
Hu, Y.   +7 more
core   +1 more source

Seasonal variations of inorganic N concentrations in three different steppe types, i.e., meadow steppe, typical steppe, and desert steppe across the grassland transect during the entire growing season.

open access: yes, 2016
Seasonal variations of inorganic N concentrations in three different steppe types, i.e., meadow steppe, typical steppe, and desert steppe across the grassland transect during the entire growing season.
Fei Feng (427513)   +9 more
core   +1 more source

A reappraisal of the Middle to Later Stone Age prehistory of Morocco Réévaluer la préhistoire du Maroc, du Middle Stone Age au Later Stone Age

open access: yesJournal of the Royal Anthropological Institute, EarlyView.
Over the last 25 years, perceptions of the early prehistory of Northwest Africa have undergone radical changes due to new fieldwork projects and a corresponding growth in scientific interest in the region. Much of this work has been focused in Morocco, known for its extremely rich fossil and archaeological records in caves and rock shelters.
Nick Barton   +3 more
wiley   +1 more source

Updated Chorotypes of Terrestrial Vertebrates Shed New Light on Zoogeographical Regions in China

open access: yesIntegrative Zoology, EarlyView.
Chorotype represents a fundamental concept for identifying groups of species that share similar distribution patterns. However, the last comprehensive revision of animal chorotypes in China was performed more than a decade ago. Here, we update the chorotype classifications for 1040 species and propose an updated zoogeographical regionalization scheme ...
Baoming Zhang   +6 more
wiley   +1 more source

Dust Intensity Across Vegetation Types in Mongolia: Drivers and Trends

open access: yesRemote Sensing
Dust storms, characterized by their rapid movement and high intensity, present significant challenges across atmospheric, human health, and ecological domains.
Chunling Bao   +7 more
doaj   +1 more source

Field Trial of Mobile Laboratory of Epidemiologic Survey and Indication. Communication 2. Field Trial of Mobile Laboratory of Epidemiologic Survey and Indication on the Territory of Astrakhan and Saratov Regions, Republic of Kalmykia

open access: yesПроблемы особо опасных инфекций, 2009
Presented are the field trial results of mobile laboratory in the forest-steppe, steppe and semi-desert regions in autumn and winter periods.
I. N. Sharova   +21 more
doaj   +1 more source

The Late Agricultural Development of Central Arabian Oases—Archaeobotanical and Archaeozoological Studies of the al‐Kharj Oasis

open access: yesArabian Archaeology and Epigraphy, EarlyView.
ABSTRACT While oasis settlements emerged during the Bronze Age in Eastern and Northern Arabia, the settlement process in Central Arabia was different. Excavations at al‐Yamāma—main ancient settlement of the al‐Kharj oasis (Riyadh Province, KSA)—suggest that the latter did not emerge before the second half of the first millennium BCE.
Elora Chambraud   +4 more
wiley   +1 more source

Provisioning a Silk Road City: Herd Management Strategies at the Urban Site of Dzhankent, Kazakhstan

open access: yesArchaeometry, EarlyView.
ABSTRACT This study presents evidence for herd management at the early medieval city of Dzhankent in southern Kazakhstan. Located along the Northern Silk Road, Dzhankent was a key trading node linking northern and southern areas between the 9th and 10th centuries ce.
Kara Larson   +7 more
wiley   +1 more source

Desert-steppe elements in the flora of the Mountain Altai

open access: yesПроблемы ботаники Южной Сибири и Монголии
This study examines the characteristics of vegetation in the semi-arid regions of Southern Siberia (Southeast Altai, South-Western and Southern Tuva, and the southern areas of Transbaikalia and Dauria). Extreme temperature conditions (average January temperature: –25 to –30 °С, average July temperature: +25 to +30 °С) and low precipitation (100–150 mm)
null Ревушкин А. С.   +1 more
openaire   +1 more source

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