Article
Ecology
Giorgia Cecino, Eric A. Treml
Summary: This study investigated the impact of connectivity and larval life history on marine metapopulation persistence in southeast Australia, finding that the number of local outgoing connections has the largest impact on metapopulation persistence. Results also suggested that the length of the pre-competency period is an influential parameter. Major hot spots of local connectivity contributing to multispecies persistence were identified in southeast Australia. The study emphasizes the importance of local connectivity patterns and larval competency characteristics in understanding and protecting real-world metapopulation persistence.
ECOLOGICAL APPLICATIONS
(2021)
Article
Limnology
Jessica C. Garwood, Andrew J. Lucas, Perry Naughton, Paul L. D. Roberts, Jules S. Jaffe, Laura DeGelleke, Peter J. S. Franks
Summary: The study aimed to investigate the effect of swimming behavior and vertical position on cross-shore transport in internal waves using the M-AUEs. Results showed that depth-keeping larvae generally ended up closer to shore compared to passive larvae.
LIMNOLOGY AND OCEANOGRAPHY
(2021)
News Item
Biochemistry & Molecular Biology
Pablo Saenz-Agudelo, Hugo B. Harrison
Summary: The movement of individuals across landscapes is a fundamental process in ecology, especially challenging in the marine environment. The two-phased life-cycle of marine organisms poses a significant challenge in quantifying dispersal patterns.
Article
Environmental Sciences
Samantha King, Antoine Saint-Amand, Brian K. Walker, Emmanuel Hanert, Joana Figueiredo
Summary: Since the 1980s, the populations of Acropora cervicornis and A. palmata have declined significantly due to disease and human activities. This study used larval survival and competency data to model the dispersal patterns of these coral species along Florida's Coral Reef. The results indicate that selective spatial restoration can stimulate natural recovery, and the model can be used to guide the management and restoration of genotypically diverse Acropora populations.
FRONTIERS IN MARINE SCIENCE
(2023)
Article
Biochemistry & Molecular Biology
Taylor Naaykens, Cassidy C. D'Aloia
Summary: Larval exchange among marine populations is important for population dynamics and conservation actions. Accurately measuring dispersal remains challenging, but this study shows that indirect methods based on isolation-by-distance (IBD) can produce accurate dispersal estimates in the coral reef fish Elacatinus lori. These estimates were compared to direct measurements from genetic parentage analysis, and the results suggest that the IBD method may be broadly applicable to studying marine larval dispersal.
Article
Multidisciplinary Sciences
Rebecca Fisher, Jeffrey M. Leis, J. Derek Hogan, David R. Bellwood, Shaun K. Wilson, Suresh D. Job
Summary: This article presents a collation of data on swimming abilities of tropical marine fish larvae and pelagic juveniles, providing valuable information for studying larval swimming performance and other comprehensive research.
Article
Environmental Sciences
Guangpeng Liu, Annalisa Bracco, Andrea M. Quattrini, Santiago Herrera
Summary: Fine-scale larval dispersal and connectivity processes are crucial for species survival and adaptation. This study integrated physical models and genetic connectivity estimates to examine the dispersal pattern and potential connectivity of a common deep-water coral in the northern Gulf of Mexico. The findings suggest a trend of dispersal from east to west along specific depth contours, with stepping-stone dispersal likely facilitating long-distance connectivity between separated populations.
FRONTIERS IN MARINE SCIENCE
(2021)
Article
Environmental Sciences
Erica C. N. Chapman, Ana Rodriguez-Perez, Tristan Hugh-Jones, Cass Bromley, Mark A. James, Karen Diele, William G. Sanderson
Summary: This study investigated temporal and spatial abundance patterns of European oyster larvae in Loch Ryan, Scotland, UK, finding that temperature is the most significant seasonal predictor of larval abundance, peaking at 617 degree-days. Additionally, oyster larval abundance did not significantly vary between habitats but was significantly higher in the mid and near-surface part of the water column.
MARINE POLLUTION BULLETIN
(2021)
Article
Biology
Jiaying Lu, Yuanjie Chen, Zihan Wang, Feng Zhao, Yisen Zhong, Cong Zeng, Ling Cao
Summary: In this study, a biophysical model was used to assess the ecological connectivity of marine protected areas in the Yellow and East China Seas. The results showed that ocean dynamics and larval dispersal patterns had significant effects on connectivity. The existing national marine reserves in these regions were not well-connected, with nearly 30% of them being isolated. This study provides a scientific reference for future reserve planning and improving ecological connectivity in coastal China.
Article
Fisheries
Richard R. Coleman, Derek W. Kraft, Mykle L. Hoban, Robert J. Toonen, Brian W. Bowen
Summary: This study used genomic approaches to investigate the gap between spawning and settlement location of the Hawaiian convict tang, revealing that most dispersal occurs between the eastern and southern shores. This finding is significant for the conservation of marine fishes.
JOURNAL OF FISH BIOLOGY
(2023)
Review
Biodiversity Conservation
Joseph Drake, Xavier Lambin, Chris Sutherland
Summary: Connectivity plays a vital role in ecology, affecting species survival and ecosystem functioning. It consists of both structural and functional components, and the interaction of these components often better describes ecological processes. Demographically-informed connectivity serves as a general framework for addressing current ecological issues, particularly in the fields of population ecology, conservation biology, and landscape ecology.
Article
Fisheries
Romain Chaput, Pierre Sochala, Philippe Miron, Vassiliki H. Kourafalou, Mohamed Iskandarani, David M. Kaplan
Summary: This study investigates the impacts of seven uncertain biological parameters on larval connectivity in the Florida Keys using Polynomial chaos surrogates. The results show that the biological input parameters have different influences on connectivity depending on dispersal distance and release location. The dominant contributors to settlement uncertainty are found to be the interactions between detection distance threshold, orientation ontogeny, and orientation accuracy, while uncertainties in swimming speed and mortality contribute less to dispersal uncertainty.
ICES JOURNAL OF MARINE SCIENCE
(2022)
Review
Oceanography
Henrique Cabral, Hilaire Drouineau, Ana Teles-Machado, Maud Pierre, Mario Lepage, Jeremy Lobry, Patrick Reis-Santos, Susanne E. Tanner
Summary: Variability in recruitment success of larvae to estuarine nursery areas for different fish species along the Iberian Atlantic coast was analyzed, showing high inter- and intra-annual variation. Highest recruitment estimates were found for S. solea and D. labrax, with recruitment being overall higher at earlier spawning dates. Connectivity patterns between cold and warm year archetypes were also explored, highlighting the importance of understanding oceanographic conditions in predicting potential impacts of climate change on species with segregated life histories.
PROGRESS IN OCEANOGRAPHY
(2021)
Article
Fisheries
R. Jak McCarroll, Tim Scott, Erin V. King, Gerd Masselink, Benjamin J. Ciotti, Anton Cloete, Paul-Pierre Steyn, Peter Britz, Niall G. Vine, Shaun H. P. Deyzel, Andrew Witte, Richard Clark
Summary: Understanding connectivity and residence times for abalone larvae within settlement habitats is crucial for managing wild abalone stocks. Research in the Eastern Cape region of South Africa highlights the importance of shallow gully zones near Cape Recife as optimal release points for maximizing larval residency times.
Article
Fisheries
Roberta Sciascia, Katell Guizien, Marcello G. Magaldi
Summary: Larval dispersal is a key mechanism for demographic and genetic connectivity among marine populations. This study evaluated the effects of flow representation and larval traits on population connectivity in the northwestern Mediterranean. The results highlight the importance of ocean model resolution in determining connectivity patterns.
ICES JOURNAL OF MARINE SCIENCE
(2022)