Results 251 to 260 of about 857,738 (276)

Late Holocene environmental history of Dojran, Macedonia: Investigating the interplay of imperial dynamics and climatic change

Journal of Quaternary Science, EarlyView.
ABSTRACT This study presents a high‐resolution, multi‐proxy reconstruction of environmental and land‐use change from Lake Dojran over historical times (last 2500 years), combining pollen, biomarkers, radiocarbon dating, Ottoman taxation records and other historical data.
Alessia Masi, Lucrezia Masci, Georgios C. Liakopoulos, Monica Bini, Alexander Francke, Ilaria Isola, Carlo Ricotta, Laura Sadori, Alexander Sarantis, Sławomir Sprawski, Jakub Sypiański, Irene Tunno, Cristiano Vignola, Bernd Wagner, Giovanni Zanchetta, Adam Izdebski   +15 more
wiley   +1 more source

Holocene vegetation dynamics of Grande Terre (Kerguelen Islands) inferred from sedimentary ancient DNA

Journal of Quaternary Science, EarlyView.
ABSTRACT While the Antarctic region has experienced significant climatic changes over the Holocene, few high‐resolution records have examined their effects on the local biota. In order to understand past ecological shifts and forecast future changes, it is important to obtain high‐resolution palaeoecological records from this region.
Xaali O'Reilly‐Berkeley, Aloïs Revéret, Youri Lammers, Maaike Zwier, Anne E. Bjune, Fabien Arnaud, Jostein Bakke, Sandra Nogué, Inger G. Alsos   +8 more
wiley   +1 more source

Habitat loss and fragmentation

Abstract The first response of many animals to altered environmental conditions is via behavioural adjustments. Habitat loss and fragmentation represent major alterations to natural environments and are key contributors to the global biodiversity crisis. This chapter illustrates how animal behaviour can be modified in response to habitat
Michael Sievers, Stephen E. Swearer, Robin Hale   +2 more
openaire   +2 more sources

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Habitat fragmentation versus fragmented habitats

Biodiversity and Conservation, 2012
Habitats often show similar present structuring, but contrasting histories: habitats occur naturally fragmented due to abiotic or biotic factors over long time periods, but may also have become fragmented only recently through transformation from interconnected to highly fragmented habitats within short time periods. Species and populations being faced
Jan Christian Habel, Frank E. Zachos
openaire   +1 more source

Vulnerability to habitat fragmentation

Science, 2019
Conservation Ecology Habitat fragmentation caused by human activities has consequences for the distribution and movement of organisms. Betts et al. present a global analysis of how exposure to habitat fragmentation affects the composition of ecological communities (see the Perspective by Hargreaves).
openaire   +1 more source

Habitat Fragmentation and Herpetofauna

2023
Southern New Hampshire has become heavily urbanized in recent decades which impacts native wildlife’s habitat area. Reptiles and especially amphibians are indicator species, therefore, studying their population changes due to this habitat alteration can display the true effects.
openaire   +1 more source

Habitat fragmentation

2013
Soil microarthropods were surveyed for one year in order to see if the theory of island biogeography held true for micro-communities. Soil fauna were collected on a bi-monthly basis at a previously disturbed site in the New Jersey Pine Plains on natural regrowth islands.
openaire   +1 more source

Habitat fragmentation promotes malaria persistence

Journal of Mathematical Biology, 2019
Based on a Ross-Macdonald type model with a number of identical patches, we study the role of the movement of humans and/or mosquitoes on the persistence of malaria and many other vector-borne diseases. By using a theorem on line-sum symmetric matrices, we establish an eigenvalue inequality on the product of a class of nonnegative matrices and then ...
Daozhou Gao, P. van den Driessche, Chris Cosner   +2 more
openaire   +3 more sources

Diverse and Contrasting Effects of Habitat Fragmentation

Science, 1992
Different components of an ecosystem can respond in very different ways to habitat fragmentation. An archipelago of patches, representing different levels of fragmentation, was arrayed within a successional field and studied over a period of 6 years.
G R, Robinson, R D, Holt, M S, Gaines, S P, Hamburg, M L, Johnson, H S, Fitch, E A, Martinko   +6 more
openaire   +2 more sources

The consequences of habitat fragmentation on disease propagation

International Journal of Computer Mathematics, 2013
In this paper, we present and analyse a simple model for disease transmission in a population that can freely move among two different geographical locations. In contrast to some recent contributions in the literature that focus on the epidemiological aspects of disease eradication [L.J.S. Allen, B.M. Bolker, Y. Lou, and A.L. Nevai, Asymptotic profiles
Marika Barengo, Isabella Iennaco, Ezio Venturino   +2 more
openaire   +1 more source