total bird extinctions, partitioned into observed (post-1500 CE bird extinctions, plus up to 46 possibly extinct species22), fossil, and undiscovered extinctions (those that have not been recorded, and where the species potentially leaves no physical trace, estimated in this study; see Methods)....
or rather the absence of sufficient resources for immediate needs. It is also not clear whether these reflect true differences in choice patterns between income groups. We tested temporal discounting and five intertemporal choice anomalies using local currencies and value standards in 61 countries (N...
Managing human resources in hotels in Singapore and Australia: A comparative studyThis paper explores contemporary management practices in a selection of hotels in Australia and Singapore in an effort to examine common and disparate themes within diverse national, cultural, social and labour environments...
to Genetic Resources and the Fair and Equitable Sharing of Benefits arising from their Utilization; UDHR Universal Declaration on Human Rights; UNCBD United Nations Convention on Biological Diversity; UNCCD United Nations Convention to Combat Desertification in those Countries Experiencing Serious Drought ...
Paleoenvironmental data from the Atacama Altiplano (21°–24°S) indicate that water, vegetation and animal resources were more abundant during lateglacial... Martin,Grosjean,A.,... - 《Geoarchaeology-an International Journal》 被引量: 343发表: 1994年 Islands in the interior: a model for the...
Using a One Health approach, this study aimed to (i) assess for the first time the prevalence of parasitic protozoa such as Cryptosporidium and Giardia in urban surface water such as the Danube Canal, a side-arm of the River Danube that flows through the city center of Vienna, Austria, an...
The COVID-19 pandemic resulted in significant changes to business operations, particularly addressing human resources and their role within the firm. This study aims to assess the sustainability of human capital efficiency in the hotel industry, including the early effects of the COVID-19 pandemic....
Feces, solid bodily waste discharged from the large intestine through the anus during defecation. Feces are normally removed from the body one or two times a day. About 100 to 250 grams (3 to 8 ounces) of feces are excreted by a human adult daily. Normal
Where did early humans first migrate? Early humans first migrated from Africa to Southwest Asia, traveling through a strait that allowed them to arrive in modern-day Yemen. When did human migration start? Large scale human migration began about 120,000 years ago, when groups of Homo sapiens li...
The world population is expected to increase greatly this century, aggravating current problems related to climate, health, food security, biodiversity, energy and other vital resources. Population growth depends strongly on total fertility rate (TFR), b