anthropogenic effects
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CATENA ◽  
2022 ◽  
Vol 209 ◽  
pp. 105851
Author(s):  
Li Wang ◽  
Yanning Qiu ◽  
Zhiyong Han ◽  
Chi Xu ◽  
Shuang-Ye Wu ◽  
...  

2021 ◽  
pp. 118752
Author(s):  
Zhengjie Li ◽  
Wendell W. Walters ◽  
Meredith G. Hastings ◽  
Linlin Song ◽  
Shaonan Huang ◽  
...  

CATENA ◽  
2021 ◽  
Vol 207 ◽  
pp. 105605
Author(s):  
Yawen Ge ◽  
Qinghui Zhang ◽  
Xuhui Dong ◽  
Xiangdong Yang

2021 ◽  
Vol 29 (2) ◽  
pp. 1-24
Author(s):  
László Musicz ◽  
Sándor Faragó

Abstract The Old Lake of Tata, an important wild goose roosting site in Central Europe, is unique in its location being in the middle of a city with a population of 24,000. Consequently, the site is subject to intensive human disturbances. Goose migration and wintering on the lake was studied for over 37 years (1984–2021). In addition to weather, hydrological, and feeding conditions, particular attention was focused on human influences (which were deemed generally disruptive, but also beneficial in some cases) that can induce significant changes in the population dynamics of the 30,000–50,000 wild geese from 13 species wintering here. Almost without exception, the largest observed changes in the abundance of wild geese roosting overnight on the Old Lake are due to anthropogenic effects. In the majority of cases, the most significant population changes are due to impacts associated with the operation and upkeep of the lake and the New Year’s Eve fireworks. As a result, the winter operation of the Old Lake has been regulated by the Wild Goose Preference Mode since 2011, and the City of Tata has banned the use of fireworks during the winter period since 2018. Consequently, the conditions for wild goose migration have improved significantly. However, the situation of the Old Lake is still quite fragile and more conservation measures are needed to protect it further.


Hydrobiologia ◽  
2021 ◽  
Author(s):  
Jared R. Ellenor ◽  
Peter A. Cott ◽  
Heidi K. Swanson

AbstractArctic grayling (Thymallus arcticus) is an iconic fish species that is present across the remote subarctic Barrenlands, yet our lack of understanding of their distributional patterns constrains predictions of anthropogenic effects on Barrenland populations. These adfluvial fish rely on seasonal lake-stream connections to migrate, spawn, and rear. We address knowledge gaps on what Barrenland stream attributes are suitable for rearing young-of-year Arctic grayling. Visual surveys of young-of-year Arctic grayling were conducted in 48 streams near Baker Lake, Nunavut, Canada. Occupancy modeling was used to relate stream habitat and landscape variables to fish presence/absence. The best predictors of occupancy were total area of contributing upstream lakes and landcover (upland/lowland); stream basins with larger contributing upstream lake area and more lowland cover were more likely to be occupied. Results suggest that occupancy reflects reliability of stream connectivity throughout the open water season and across years. The occupancy model developed here can adequately predict stream suitability for young-of-year Arctic grayling using lake area and land classification data that are remotely accessed. This may lessen the considerable financial and logistical constraints of conducting field research on Arctic grayling in the vast Barrenlands and facilitate more directed field programs to inform conservation and mitigation plans.


2021 ◽  
Vol 130 ◽  
pp. 108148
Author(s):  
A.W. Zulfa ◽  
K. Norizah ◽  
O. Hamdan ◽  
I. Faridah-Hanum ◽  
P.P. Rhyma ◽  
...  

2021 ◽  
Vol 118 (40) ◽  
pp. e2022209118 ◽  
Author(s):  
Scott M. Fitzpatrick ◽  
Christina M. Giovas

Islands are useful model systems for examining human–environmental interactions. While many anthropogenic effects visible in the archaeological and paleoecological records are terrestrial in nature (e.g., clearance of tropical forests for agriculture and settlement; introduction of nonnative flora and fauna), native peoples also relied heavily on marine environments for their subsistence and livelihood. Here we use two island case studies—Palau (Micronesia) and the Lesser Antilles (Caribbean)—and approach their long-term settlement history through a “ridge-to-reef” perspective to assess the role that human activity played in land- and seascape change over deep time. In particular, we examine the entanglement of terrestrial and marine ecosystems resulting from anthropogenic effects and cultural responses to socio-environmental feedback. We suggest that on the humanized tropical islands of the Anthropocene, mangroves, near shore and littoral areas, and coral reefs were major sites of terrestrial–marine interface chronicling and modulating anthropogenic effects.


2021 ◽  
pp. 126963
Author(s):  
Hyoun-Tae Hwang ◽  
Eunhee Lee ◽  
Steven J. Berg ◽  
Edward A. Sudicky ◽  
Yongcheol Kim ◽  
...  

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