Affordable Access

Environmental context explains Levy and Brownian movement patterns of marine predators

Publication Date
  • An Optimal Search Theory
  • The So-Called Levy-Flight Foraging Hypothesis(1)
  • Predicts That Predators Should Adopt Search Strategies Known As Levy Flights Where Prey Is Sparse An
  • But That Brownian Movement Is Sufficiently Efficient For Locating Abundant Prey(2-4)
  • Empirical Studies Have Generated Controversy Because The Accuracy Of Statistical Methods That Have B
  • 6)
  • Consequently
  • Whether Foragers Exhibit Levy Flights In The Wild Remains Unclear
  • Crucially
  • Moreover
  • It Has Not Been Tested Whether Observed Movement Patterns Across Natural Landscapes Having Different
  • Here We Use Maximum-Likelihood Methods To Test For Levy Patterns In Relation To Environmental Gradie
  • Strong Support Was Found For Levy Search Patterns Across 14 Species Of Open-Ocean Predatory Fish (Sh
  • Tuna
  • Billfish And Ocean Sunfish)
  • With Some Individuals Switching Between Levy And Brownian Movement As They Traversed Different Habit
  • We Tested The Spatial Occurrence Of These Two Principal Patterns And Found Levy Behaviour To Be Asso
  • These Results Are Consistent With The Levy-Flight Foraging Hypothesis(1
  • 7)
  • Supporting The Contention(8
  • 9) That Organism Search Strategies Naturally Evolved In Such A Way That They Exploit Optimal Levy Pa


Open Learning SHORT, PART-TIME COURSES Autumn/New Year 2013-14 School of Education Open Learning Office Queen’s University Belfast 20 College Green Belfast BT7 1LN Northern Ireland T (028) 9097 3323/3539 F (028) 9097 1084 This publication is also available in alternative formats on request, including large print, Braille, tape, audio CD and Daisy CD. For further information, please contact the University’s Marketing and Creative Services Unit on +44 (0)28 9097 2586. Complementary Therapies Computing Counselling Creative Writing Cultural Studies Environment First Aid History and Politics Languages Law Leisure Literature Media Studies and Drama Music Personal Development Personal Finance Philosophy and Religion Science Visual Arts From Spanish to Wine Tasting, Creative Writing to Travel, World Literature to Visual Arts, there is a course for everyone in the Queen’s University Open Learning Programme. These part-time courses are open to all adults regardless of qualifications or experience and are offered during the day, evenings and weekends. For our Autumn/New Year programme we offer flexible, affordable open learning courses in the following subject areas: CDS 98413 Open Learning at Queen’s Autumn 2013 - New Year 2014 SCHOOL OF Education Q ueen’s U niversity B elfast Scho o l o f E d ucatio n O p en Learning A utum n/N ew Year Prog ram m e 2013-14 w w w .q ub u/o l Education for Transformation School of Education – Open Learning Autumn/New Year Programme 2013/’14 1 School of Education Open Learning Autumn/New Year Programme 2013/’14 The Bridget Sarah Hurson Memorial Bursary The bursary is established in the memory of Bridget Sarah Hurson, late mother of Dr Tess Maginess and Ms Edna Gibson. Two bursaries, valued at £200 each, will be awarded this academic year. One will be awarded to a student facing financia

There are no comments yet on this publication. Be the first to share your thoughts.


Seen <100 times