The article focuses on the effects of open-pit mining to the behaviour of grizzly bear as studied by Mark S. Boyce and Bogdan Cristescu of the University of Alberta. It says that grizzly bears in Alberta are among the species listed as special concern because of the impact of industrial, ...
mainlythroughloggingand landconversion.Apartfromthepossibledeleteriouseffectsof loggingandconversiononthecarryingcapacityof thehabitat,theseactivitiesareaccom- paniedby increasinghumanpresenceandhuntingpressure.Thereis a lack of ecological dataon sunbears,so the impactof these factorscannotbe assessed.However,this...
根据首段尾句 “And some bears have traveled so far in search of ice that they risk dying of hunger (有些北极熊为了寻找冰块,长途跋涉,冒着饿死的危险。 )”可知,有些北极熊为了寻找海冰,也是为了 生存,冒着被饿死的风险长途跋涉,结合划线单词前的 “But in southeast Greenland, where the sea ...
Brown bears caused much lower instances of livestock loss (n = 48, 15.38%) and human injury (n = 4, 1.28%). Due to the unique geographical environment and herder lifestyle on the Qinghai-Tibet Plateau, bear damage is different from other regions of the world. For example, the European ...
(e.g. human conflicts with elephants, bears and monkeys) were observed30,31,32mainly due to the replacements of highland habitats by cultivated lands and artificial surfaces. A recent study suggested that mountain deforestation induced warming and local temperature anomaly (up to 2°C)6. Thus, ...
Injuries inflicted on humans by griz- In some cases, a vehicle was purposely zly bears averaged about four per year dur- driven between a bison and a downed ing the 1960s, and decreased to about 1.5 human, which may have prevented pro- per year during the 1970s, 1980s, and longed ...
Featuring a variety of visual stories — ranging from abandoned elephant calves in northern Kenya to the polar bears off the Arctic harbors — the exhibition highlights the natural world and human impact on the environment. First prize stories from the 2018 contest’s Environment category...
2016) and brown bears (Ursus arctos; Lodberg-Holm et al. 2019) do not appear to be significantly dependent on the availability of food from human waste. Consequently, other factors may be considered as crucial for intensified HWI with these species. PUL are highly accessible areas for both ...
Aversive conditioning (AC) has the potential to temporarily reduce conflicts between humans and black bears (Ursus americanus). From 2002 to 2005, I evaluated the effectiveness of projectiles with varying impact intensities, pepper spray, and chasing on approximately 150 bears in Sequoia National Park...
Anthropological research on human reproduction has identified consequential culture-specific pressures entailed in fertility decision-making. One commonality in many parts of the world is the relationship between the number of children a woman bears, especially males, and her social status. The cultural ...