Understanding movements of organisms: it's time to abandon the Lévy foraging hypothesis

GH Pyke - Methods in Ecology and Evolution, 2015 - Wiley Online Library
Interest in L évy walks within the context of movement of organisms has recently soared, with
some now referring to this approach as the L évy walk/flight paradigm. The principal …

Current status and future directions of Lévy walk research

AM Reynolds - Biology open, 2018 - journals.biologists.com
ABSTRACT Lévy walks are a mathematical construction useful for describing random
patterns of movement with bizarre fractal properties that seem to have no place in biology …

Of scales and stationarity in animal movements

S Benhamou - Ecology letters, 2014 - Wiley Online Library
With recent technological advances in tracking devices, movements of numerous animal
species can be recorded with a high resolution over large spatial and temporal ranges. This …

Detection of rare antigen-presenting cells through T cell-intrinsic meandering motility, mediated by Myo1g

A Gérard, G Patino-Lopez, P Beemiller, R Nambiar… - Cell, 2014 - cell.com
To mount an immune response, T lymphocytes must successfully search for foreign material
bound to the surface of antigen-presenting cells. How T cells optimize their chances of …

The evolutionary origins of Lévy walk foraging

ME Wosniack, MC Santos, EP Raposo… - PLoS computational …, 2017 - journals.plos.org
We study through a reaction-diffusion algorithm the influence of landscape diversity on the
efficiency of search dynamics. Remarkably, the identical optimal search strategy arises in a …

Optimal foraging strategies: Lévy walks balance searching and patch exploitation under a very broad range of conditions

NE Humphries, DW Sims - Journal of theoretical biology, 2014 - Elsevier
While evidence for optimal random search patterns, known as Lévy walks, in empirical
movement data is mounting for a growing list of taxa spanning motile cells to humans, there …

Ecological implications of eddy retention in the open ocean: a Lagrangian approach

F d'Ovidio, S De Monte, A Della Penna… - Journal of Physics A …, 2013 - iopscience.iop.org
The repartition of tracers in the ocean's upper layer on the scale of a few tens of kilometres is
largely determined by the horizontal transport induced by surface currents. Here we …

A new approach for objective identification of turns and steps in organism movement data relevant to random walk modelling

NE Humphries, H Weimerskirch… - Methods in Ecology and …, 2013 - Wiley Online Library
A first step in the analysis of complex movement data often involves discretisation of the path
into a series of step‐lengths and turns, for example in the analysis of specialised random …

Flexible preference of southern elephant seals for distinct mesoscale features within the Antarctic Circumpolar Current

C Cotté, F d'Ovidio, AC Dragon, C Guinet… - Progress in …, 2015 - Elsevier
The open ocean is a highly variable environment where marine top predators are thought to
require optimized foraging strategies to locate and capture prey. Mesoscale and sub …

Ecosystem antifragility: beyond integrity and resilience

M Equihua, ME Aldama, C Gershenson… - PeerJ, 2020 - peerj.com
We review the concept of ecosystem resilience in its relation to ecosystem integrity from an
information theory approach. We summarize the literature on the subject identifying three …