Article
Ecology
Antonio Proenca-Ferreira, Luis Borda-de-Agua, Miguel Porto, Antonio Mira, Francisco Moreira, Ricardo Pita
Summary: Organism dispersal is a widespread phenomenon with significant implications across various scales and levels of organization. The dispfit package, introduced in this article, is an R software application that provides intuitive and comprehensive tools to estimate and describe dispersal distances. It includes 9 commonly used distributions, computes goodness-of-fit and model selection statistics, and estimates distribution parameters and moments. We believe that dispfit will greatly contribute to improving the modeling of species' dispersal distances and enhancing our understanding of ecological and evolutionary processes involving dispersal movement.
ECOLOGICAL INFORMATICS
(2023)
Article
Ecology
Isabela L. Borges, Jillian C. Dangerfield, Lisa M. Angeloni, W. Chris Funk, Sarah W. Fitzpatrick
Summary: This study used spatially explicit data from a multi-generational study of Trinidadian guppies along with pedigrees to investigate the relationship between dispersal and reproduction. The results showed a positive correlation between dispersal propensity and distance with number of mates and number of offspring, especially for males, and highlighted individual and environmental variation in dispersal influenced by factors such as sex, size, season, and stream.
Article
Ecology
Matthew J. Silk, Robbie A. McDonald, Richard J. Delahay, Daniel Padfield, David J. Hodgson
Summary: Long-term capture-mark-recapture data can provide valuable information on individual movements and social structures in populations. The CMRnet package introduced in this study generates social and movement networks from spatially explicit capture-mark-recapture data, with important applications in wildlife management and conservation.
METHODS IN ECOLOGY AND EVOLUTION
(2021)
Article
Ecology
Nathan J. Hostetter, Eric Regehr, Ryan R. Wilson, J. Andrew Royle, Sarah J. Converse
Summary: Animal movement plays a crucial role in ecological processes such as individual survival and reproduction, population structure, and community dynamics. However, current methods for quantifying animal movement and spatiotemporal abundances often fail to capture the linkages between individual-level and population-level processes. This study proposes an integrated spatial capture-recapture (SCR) movement model that can jointly estimate the number and distribution of individuals in a defined spatial region, as well as their movement through time. Applied to a study of polar bears, the model successfully quantifies individual and population-level space use and provides estimates of density within a specific spatial region and temporal period.
Article
Parasitology
Danilo O. Carvalho, Rachel Morreale, Steven Stenhouse, Daniel A. Hahn, Maylen Gomez, Aaron Lloyd, David Hoel
Summary: This study demonstrates the effectiveness of the sterile insect technique in suppressing the population of Aedes aegypti and identifies the biological parameters for the technique. The findings provide a foundation for the operational phase of mosquito population suppression.
PARASITES & VECTORS
(2022)
Article
Fisheries
Henry H. Hansen, Stephen D. Kachman, Mark A. Pegg, Colin Charles, Douglas A. Watkinson, Eva C. Enders
Summary: Telemetry and mark-recapture methods can provide inconsistent understandings of fish movement patterns. Using a Bayesian framework can help assess these inconsistencies and provide a transparent means of tradeoff evaluation in tagging approaches.
CANADIAN JOURNAL OF FISHERIES AND AQUATIC SCIENCES
(2022)
Article
Fisheries
Henry H. Hansen, Stephen D. Kachman, Mark A. Pegg, Colin Charles, Douglas A. Watkinson, Eva C. Enders
Summary: This study evaluates the inconsistencies of fish movement patterns between telemetry and mark-recapture methods using a Bayesian framework. The results show that the telemetry method indicates fish predominantly stay in the river, while the mark-recapture method suggests a greater tendency of downstream movement from the Red River into Lake Winnipeg for channel catfish.
CANADIAN JOURNAL OF FISHERIES AND AQUATIC SCIENCES
(2022)
Article
Ecology
Lucas De Fries, Mateus Camana, Sandra Maria Hartz, Fernando Gertum Becker
Summary: The study described individual movement of the armored catfish Rineloricaria aequalicuspis in a stream in southern Brazil, revealing heterogeneous movement and maximum distances of 248 m downstream and 208 m upstream. Density of individuals was found to be the main factor affecting the probability of movement, indicating intra-populational variability in movement behavior.
ENVIRONMENTAL BIOLOGY OF FISHES
(2022)
Article
Fisheries
Katherine Curtis, Adam Sanders, Megan Urbanic, Gabriyelle Israel, Logan Pastura, Stephen F. Matter, Michael T. Booth
Summary: This study examined the movement of Creek Chub, a common pioneer fish species in eastern North America, in a small intermittent urban headwater stream. The study found that Creek Chub individuals were generally mobile but moved short distances, with a few individuals moving much farther. Moderate or major flow events increased the probability and magnitude of Creek Chub movement, but there was no detectable asymmetry in movement direction. Individual fish showed variability in movement behavior and were able to respond to both large and small flow events to move among habitats. The study also observed high, episodic mortality, potentially related to pollution events.
ECOLOGY OF FRESHWATER FISH
(2023)
Article
Biodiversity Conservation
Allison Hay, Christopher L. Riggins, Thomas Heard, Collin Garoutte, Yeyetzi Rodriguez, Francesca Fillipone, Kristy K. Smith, Nick Menchaca, Janaye Williamson, Joshuah S. Perkin
Summary: Controlling non-native, invasive species in groundwater-dependent ecosystems inhabited by endemic or at-risk species is a challenge. A study in the upper San Marcos River in Texas found that a community-based spearfishing bounty hunt can effectively control non-native suckermouth armored catfish (SAC) in the short term, but long-term immigration may offset the removal success.
BIOLOGICAL INVASIONS
(2022)
Article
Biodiversity Conservation
Ross E. J. Gray, Luisa F. Rodriguez, Owen T. Lewis, Arthur Y. C. Chung, Otso Ovaskainen, Eleanor M. Slade
Summary: The study in Malaysian Borneo found that some dung beetle species showed a preference for riparian buffer forest over oil palm, highlighting the importance of forested areas in oil palm landscapes for forest-dependent species. The simulation results indicated that loss of riparian buffers in oil palm plantations would decrease movement by forest-dependent species. The study also demonstrated the applicability of Joint Species Movement Modelling (JSMM) framework in assessing species movement behavior in fragmented landscapes, providing a vital tool for future forest and landscape management and conservation prioritization.
JOURNAL OF APPLIED ECOLOGY
(2022)
Article
Biodiversity Conservation
Ayesha Akram, Muhammad Rais, Muhammad Saeed, Waseem Ahmed, Sumbul Gill, Jibran Haider
Summary: Endemic anurans such as the Murree Hills Frog and Hazara Torrent Frog in Pakistan live in specific habitats and exhibit limited movement range within their environment, with most individuals moving less than 3 meters. The study suggests a movement paradigm for conservation implications, highlighting the importance of understanding the behavior of these endemic frogs.
BIODIVERSITY DATA JOURNAL
(2022)
Article
Environmental Sciences
Sarah M. Larocque, Colin Lake, Timothy B. Johnson, Aaron T. Fisk
Summary: Understanding the spatial use of reintroduced fish is essential for fisheries management and evaluating restoration success. This study used acoustic telemetry and Floy tag mark-recaptures to investigate the seasonal home range and space use of Atlantic salmon in Lake Ontario. The findings provide valuable insights into the movement patterns and habitat preferences of these reintroduced fish.
JOURNAL OF GREAT LAKES RESEARCH
(2022)
Review
Ecology
Murray G. Efford, Matthew R. Schofield
Summary: The article discusses the critical issues of survival rate and recruitment rate in population management, introduces the movement component and related issues in open population spatially explicit capture-recapture models, and provides detailed explanations through simulations and case studies. It shows that the flexible 2-parameter kernels, such as the bivariate t$$ t $$-distribution, are more suitable than the popular bivariate normal distribution, leading to higher estimates of survival; there may be problems in the movement models when dealing with data of different distances, calling for more complete and consistent reporting.
METHODS IN ECOLOGY AND EVOLUTION
(2022)
Article
Agronomy
Guillaume Bastille-Rousseau, Peter E. Schlichting, David A. Keiter, Joshua B. Smith, John C. Kilgo, George Wittemyer, Kurt C. Vercauteren, James C. Beasley, Kim M. Pepin
Summary: The study found that lethal removal of wild pigs via trapping can significantly reduce pig density at some sites, with a qualitative reduction observed at other sites. There was little evidence of shifts in pig home-ranging behavior following removal, but a nuanced response in movement behavior was observed at a fine-scale level. This research provides insights into the impact of trapping on wild pig movement and its management implications, demonstrating how targeted trapping can temporarily alleviate the pressure on species sensitive to wild pig consumption.
PEST MANAGEMENT SCIENCE
(2021)
Article
Biology
Thibault Datry, Amelie Truchy, Julian D. Olden, Michelle H. Busch, Rachel Stubbington, Walter K. Dodds, Sam Zipper, Songyan Yu, Mathis L. Messager, Jonathan D. Tonkin, Kendra E. Kaiser, John C. Hammond, Eric K. Moody, Ryan M. Burrows, Romain Sarremejane, Amanda G. DelVecchia, Megan L. Fork, Chelsea J. Little, Richard H. Walker, Annika W. Walters, Daniel Allen
Summary: Intermittent rivers are the predominant type of running waters on Earth, and human-induced flow intermittence (AFI) has unique hydrological and biological impacts. This review examines the causes and alterations of drying in AFI compared to natural flow intermittence (NFI), evaluates the differences in biodiversity responses, ecological functions, and ecosystem services between the two, and highlights knowledge gaps and management needs related to AFI.
Article
Ecology
Juan Carvajal-Quintero, Lise Comte, Xingli Giam, Julian D. Olden, Ulrich Brose, Tibor Eros, Ana Filipa Filipe, Marie-Josee Fortin, Katie Irving, Claire Jacquet, Stefano Larsen, Albert Ruhi, Sapna Sharma, Fabricio Villalobos, Pablo A. Tedesco
Summary: Global ecosystems are in a biodiversity crisis, requiring effective approaches to measure species extinction risk. The minimum viable range size (MVRS) for species persistence, influenced by organismal traits, has been hypothesized based on the relationship between range and body size. In our study, we tested this assumption by comparing the predicted MVRS with an independent estimate based on synchrony in abundance among spatially separated fish populations. We found a positive relationship between synchrony scale and species body size, providing strong support for the MVRS set by the range-body size relationship. This finding can aid in prioritizing conservation assessments for unassessed or data-deficient taxa.
Article
Ecology
Carlos Cano-Barbacil, Johannes Radinger, Julian D. Olden, Emili Garcia-Berthou
Summary: The study aims to compare the niche position, marginality, and breadth of Iberian inland fishes at different geographical extents and investigate the differences between native and alien fish. The results show that niche metrics differ depending on the geographical extent and species origin, and the estimation of niche metrics should consider the investigation's geographical extent.
GLOBAL ECOLOGY AND BIOGEOGRAPHY
(2023)
Article
Environmental Sciences
Romy Sabathier, Michael Bliss Singer, John C. Stella, Dar A. Roberts, Kelly K. Caylor, Kristin L. Jaeger, Julian D. Olden
Summary: Intermittent and ephemeral streams in dryland environments are important habitats for diverse aquatic and terrestrial life. Understanding the availability of water and its response to external factors is crucial for predicting the impacts of climate change and human activities. This paper analyzes conductivity data from sensors distributed along streams in Arizona, providing insights into flow permanence and its response to seasonal rainfall.
RIVER RESEARCH AND APPLICATIONS
(2023)
Article
Fisheries
Rachelle C. Johnson, David A. Beauchamp, Julian D. Olden
Summary: A bioenergetic model for Redside Shiner was developed, providing a tool to assess its trophic role in invaded ecosystems and evaluate potential impacts on native species. Results showed that increased water temperature may favor growth and expansion of Redside Shiner populations while negatively affecting some salmonids.
TRANSACTIONS OF THE AMERICAN FISHERIES SOCIETY
(2023)
Article
Environmental Sciences
Dol Raj Chalise, A. Sankarasubramanian, Julian D. D. Olden, Albert Ruhi
Summary: River scientists conducted a study to understand the effects of dam regulation on river flow regimes. By analyzing data from 175 pairs of regulated and unregulated USGS gages, they found that dams not only affect the magnitude and variability of flow, but also the dominant periodicities of a river's flow regime. The analysis also revealed that the alteration of flow periodicity varies over time, with dam operations, changes in dam capacity, and environmental policies shifting the relative importance of periodicities.
Article
Biology
Rachel M. Fricke, Julian D. Olden
Summary: This article provides a synthetic perspective on innovative technologies for invasive species management, including pathway intervention, spread prevention, impact mitigation, and public engagement. It also introduces tools that facilitate big data processing, such as automated image and text recognition based on machine learning. Finally, it explores the challenges and opportunities for integrating emerging technologies into invasive species management.
Article
Environmental Sciences
Xiao Qu, Julian D. Olden, Wentong Xia, Han Liu, Zhicai Xie, Robert M. Hughes, Yushun Chen
Summary: Understanding biotic assemblage variations resulting from water diversions and other pressures is critical for aquatic ecosystem conservation. This study assessed macroinvertebrate patterns in relation to water quality, climate, spatial, and hydrologic factors along China's South-to-North Water Diversion Project. Results showed that macroinvertebrate density, biomass, and species richness increased downstream and during the water transfer period. Non-native species were distributed throughout the study system, with some dominant in upstream lakes. Hydrology and water quality were key factors in shaping these patterns, with water transfer boosting macroinvertebrate abundance and facilitating non-native species dispersals.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2023)
Article
Ecology
Meryl C. C. Mims, Joseph C. C. Drake, Joshua J. J. Lawler, Julian D. D. Olden
Summary: Climate change may exacerbate habitat loss for amphibians, and reducing breeding habitat alone can lead to population declines. This study used a simulation-based approach to model the response of the Arizona treefrog to reductions in breeding habitat availability. The results showed that reductions in breeding habitat alone resulted in a significant decline in population, and scenarios with both breeding habitat loss and recruitment failure had even greater declines.
Letter
Ecology
Dov F. Sax, Martin A. Schlaepfer, Julian D. Olden
TRENDS IN ECOLOGY & EVOLUTION
(2023)
Article
Biology
Mathis L. Messager, Julian D. Olden, Jonathan D. Tonkin, Rachel Stubbington, Jane S. Rogosch, Michelle H. Busch, Chelsea J. Little, Annika W. Walters, Carla L. Atkinson, Margaret Shanafield, Songyan Yu, Kate S. Boersma, David A. Lytle, Richard H. Walker, Ryan M. Burrows, Thibault Datry
Summary: Accelerating the design and implementation of environmental flows (e-flows) is crucial for preserving freshwater biodiversity and its benefits. However, the current focus on ensuring adequate flow conditions at local sites overlooks the role of other ecological processes, hindering the effectiveness of e-flow programs. In this study, a step-by-step operational framework is proposed to address this gap and improve e-flow outcomes by considering metasystem dynamics.
Article
Ecology
Kai Chen, Stephen R. Midway, Brandon K. Peoples, Beixin Wang, Julian D. Olden
Summary: Land use intensification has caused noticeable changes in plant and animal communities worldwide. By studying riverine fish and insect communities across different land use gradients in the United States, this study found that both taxonomic and functional community composition exhibit abrupt threshold changes due to land use conversion. The study also revealed that functional composition shows greater geographic consistency compared to taxonomic composition in response to urban and agricultural land use change. Additionally, the traits contributing the most to functional composition change vary along urban and agricultural land gradients. This study highlights the importance of considering trait-based indicators of community change in informing land use management strategies and policies.
Review
Limnology
Erin C. Seybold, Anna Bergstrom, C. Nathan Jones, Amy J. Burgin, Sam Zipper, Sarah E. Godsey, Walter K. Dodds, Margaret A. Zimmer, Margaret Shanafield, Thibault Datry, Raphael D. Mazor, Mathis L. Messager, Julian D. Olden, Adam Ward, Songyan Yu, Kendra E. Kaiser, Arial Shogren, Richard H. Walker
LIMNOLOGY AND OCEANOGRAPHY LETTERS
(2023)
Article
Biology
Flavien Garcia, Ivan Paz-Vinas, Arnaud Gaujard, Julian D. Olden, Julien Cucherousset
Summary: Understanding how obligate freshwater organisms colonize seemingly isolated ecosystems has long fascinated ecologists. Recent investigations reveal that fish eggs can survive the digestive tract of birds and hatch successfully once deposited. This study provides multiple lines of evidence supporting the avian zoochory as a probable pathway for fish colonization of remote or newly-formed freshwater ecosystems, using European perch as a case study.
Article
Ecology
Tadeu Siqueira, Charles P. Hawkins, Julian D. Olden, Jonathan Tonkin, Lise Comte, Victor S. Saito, Thomas L. Anderson, Gedimar P. Barbosa, Nuria Bonada, Claudia C. Bonecker, Miguel Canedo-Argueelles, Thibault Datry, Michael B. Flinn, Pau Fortuno, Gretchen A. Gerrish, Peter Haase, Matthew J. Hill, James M. Hood, Kaisa-Leena Huttunen, Michael J. Jeffries, Timo Muotka, Daniel R. O'Donnell, Riku Paavola, Petr Paril, Michael J. Paterson, Christopher J. Patrick, Gilmar Perbiche-Neves, Luzia C. Rodrigues, Susanne C. Schneider, Michal Straka, Albert Ruhi
Summary: Temporal variability in ecological structure and processes tends to decrease with increasing spatial scales and levels of biological organization. However, the patterns and mechanisms of variability across trophic levels remain poorly understood. In this study, we analyzed abundance time series data from spatially structured communities and found that temporal variability in abundance decreases from producers to tertiary consumers, mainly at the local scale. Synchrony within sites increases with trophic level, while synchrony among communities decreases.