10 Works

Predation on Vachellia trees in the Evrona Nature Reserve following an oil spill

Marco Ferrante, Daniella Möller, Gabriella Möller, Esteban Menares, Yael Lubin & Michal Segoli
The Evrona Nature Reserve (southern Israel; 29°40′N, 35°00′E) was affected by two large oil spills in 1975 and 2014, respectively. Between Nov 2019 to Oct 2019, we recorded invertebrate and vertebrate predation rates using the artificial caterpillar method (Howe et al. 2009, Entomol Exp App) in oil-polluted and unpolluted Vachellia trees.

Short-term prediction through ordinal patterns

Yair Neuman, Yair Neuman, Yohai Cohen & Boaz Tamir
Prediction in natural environments is a challenging task, and there is a lack of clarity around how a myopic organism can make short-term predictions given limited data availability and cognitive resources. In this context, we may ask what kind of resources are available to the organism to help it address the challenge of short-term prediction within its own cognitive limits. We point to one potentially important resource: ordinal patterns, which are extensively used in physics...

Data from: Can matrix structure affect animal navigation between fragments? A dispersal experiment using release platforms

Vitor Sanches, Jorge Menezes, Jayme Prevedello, Almeida-Gomes Maurício & Luiz Gustavo Oliveira-Santos
The persistence of species in fragmented landscapes relies on landscape connectivity and individuals’ ability in dispersing among habitat patches. Accordingly, matrix structure can affect the orientation of dispersing individuals across the landscape. In this study, we measured the impact of matrix structure on the dispersal performance of the white-eared opossum (Didelphis albiventris). We released individuals in three types of matrix: bare field, corn crops and soybean crops, with distances of 30, 50 and 100 m...

Seed re-dispersal experiments

Itamar Giladi
These data files hold the results from a redispersal experiment where seeds of the Perennial plant, Sternbergia clusiana, were presented to three species of desert ants and seed fate was followed after the seeds were taken into the nest. The other data set includes information regarding the distribution of this plant, at three life stages, with respect to the distribution of shurbs. These data were used to test indirectly whether the shrub's environment may be...

Dispersal and life history of brown widow spiders in dated invasive populations on two continents

Monica Mowery, Maydianne Andrade, Yael Lubin, Ally Harari & Andrew Mason
Theory and empirical work suggest that behaviours such as dispersal and exploration are predictors of invasive success, and that behaviours may shift predictably after invasive populations have established and spread. However, there are limited data on temporal patterns in the distribution of behavioural traits linked to the timeline of establishment of invasive species. We examine dispersal and exploration, along with life history traits that may be linked to behaviour, across multiple invasive populations of the...

The desert exploiter: an overabundant crow species exhibits a neighborhood diffusion pattern into the southern region of Israel

Amit Salomon & Ofer Ovadia
Overabundant species are considered drivers and passengers of profound anthropogenic disturbance in ecosystems, resulting in uneven communities. Understanding the causes of spread and establishment of such species may help decipher invasion mechanisms, while providing managers targeted management tools. The objective of this research was to quantify the spread of Corvus C. cornix in Israel, while attempting to elucidate the causes of its spread. Long-term occurrence data of crow sightings was used to analyze the species...

AI3SD Video: Statistics Are a Girl's best Friend: Expanding the mechanistic Study Toolbox with Data Science

anat milo
The value of amassing and standardizing chemical data for improving the efficiency of chemical discovery is becoming increasingly clear. Machine learning analyses of these data are focused on finding correlations, trends and patterns to uncover needles of knowledge in the haystack of chemical reactions. However, in many cases, especially in academic settings, we do not have the means to produce large data sets, so by necessity we remain in the Small Data regime. In this...

Variation in plant carbon, nitrogen and phosphorus contents across the drylands of China

Junlan Xiong, Longwei Dong, Jingli Lu, Weigang Hu, Haiyang Gong, Shubin Xie, Dongmin Zhao, Yahui Zhang, Xiaoting Wang, Yan Deng, Jinzhi Ran, Karl Niklas, Allan Degen & Jianming Deng
Determining large-scale patterns of plant elemental concentrations and stoichiometry along environmental gradients is critical for understanding plant adaptive strategies and predicting ecosystem biogeochemistry processes. However, it remains unclear as to how plant carbon (C), nitrogen (N), and phosphorus (P) concentrations and their stoichiometry in different organs (leaves, stems, and roots) respond to large-scale environmental gradients in drylands. We determined C, N, and P concentrations and their ratios in leaves, stems, and roots of plants growing...

GARD 1.5 range shapefiles used in: Global diversity patterns are explained by diversification rates at ancient, not shallow, timescales

Uri Roll, Shai Meiri, Maxwell Farrell, Jonathan Davies, John Gittleman, John Wiens & Patrick Stephens
Explaining global species richness patterns is a “Holy Grail” of ecology and evolution. These richness patterns are often attributed to spatial variation in diversification rates (speciation minus extinction). Surprisingly, prominent studies of birds, fish, and angiosperms reported higher diversification rates at higher latitudes (mismatched with richness). Yet these studies only examined diversification rates at relatively recent timescales. Here, we quantify global richness patterns among lizard and snake species (10,213; 94%) and explore their underlying causes....

Optimal Stopover Model: a state dependent habitat selection model for staging passerines during migration

Adi Domer
1. During their seasonal migration, birds stage in areas comprising stopover sites of varying quality. Given that migrating birds have a limited information about their environments, they may land at a low-quality stopover site in which their fuel deposition rate (FDR) is low. Birds landing at such sites, should decide either to extend their stopover duration or to quickly depart in search for a better site. These decisions, however, strongly depend on their body condition...

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