Relevant bibliographies by topics / Spawning strategy

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
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Academic literature on the topic 'Spawning strategy'

Author: Grafiati
Published: 24 June 2021
Last updated: 29 July 2025

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Journal articles on the topic "Spawning strategy"

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van der Meulen, Dylan E., Chris T. Walsh, Matthew D. Taylor, and Charles A. Gray. "Habitat requirements and spawning strategy of an estuarine-dependent fish, Percalates colonorum." Marine and Freshwater Research 65, no. 3 (2014): 218. http://dx.doi.org/10.1071/mf13060.

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Determining the links among estuarine hydrography, habitat and spawning of estuarine-dependent fish is essential for understanding reproductive dynamics, recruitment processes and directing conservation efforts. Acoustic tracking was used to evaluate fine-scale spatial and temporal patterns in spawning activity of Percalates colonorum (estuary perch) within the Shoalhaven River, south-eastern Australia. Plankton tows were used to determine the timing of spawning events. Tagged P. colonorum exhibited movements restricted to areas of structurally complex large wooden debris and a concrete ferry
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Overholtz, William J. "Harvesting Strategies and Fishing Mortality Reference Point Comparisons for the Northwest Atlantic Stock of Atlantic Mackerel (Scomber scombrus)." Canadian Journal of Fisheries and Aquatic Sciences 50, no. 8 (1993): 1749–56. http://dx.doi.org/10.1139/f93-196.

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Previous research indicated that density dependence in population-level responses such as growth and predation mortality rate may play a major role in regulating the dynamics of the Northwest Atlantic stock of Atlantic mackerel (Scomber scombrus). Simulation studies, utilizing this compensatory model of the mackerel stock, suggest that expected yields and spawning stock sizes under conditions of constant harvest rate or constant catch would be quite disparate. Yields and spawning stock size would be less variable and slightly larger under a constant catch strategy for catches of mackerel up to
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MacCall, Alec D., Tessa B. Francis, André E. Punt, et al. "A heuristic model of socially learned migration behaviour exhibits distinctive spatial and reproductive dynamics." ICES Journal of Marine Science 76, no. 2 (2018): 598–608. http://dx.doi.org/10.1093/icesjms/fsy091.

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Abstract We explore a “Go With the Older Fish” (GWOF) mechanism of learned migration behaviour for exploited fish populations, where recruits learn a viable migration path by randomly joining a school of older fish. We develop a non-age-structured biomass model of spatially independent spawning sites with local density dependence, based on Pacific herring (Clupea pallasii). We compare a diffusion (DIFF) strategy, where recruits adopt spawning sites near their natal site without regard to older fish, with GWOF, where recruits adopt the same spawning sites, but in proportion to the abundance of
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Kurobe, Tomofumi, Bruce G. Hammock, Lauren J. Damon, et al. "Reproductive strategy of Delta Smelt Hypomesus transpacificus and impacts of drought on reproductive performance." PLOS ONE 17, no. 3 (2022): e0264731. http://dx.doi.org/10.1371/journal.pone.0264731.

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Understanding reproductive biology and performance of fish is essential to formulate effective conservation and management programs. Here, we studied reproductive strategies of female Delta Smelt Hypomesus transpacificus, an endangered fish species in the State of California, the United States, focusing on (1) better understanding their distribution pattern during the winter and spring spawning season at very fine scale to predict their possible spawning grounds and (2) assessing impacts of a recent, severe drought on their reproductive performance. We formulated our hypotheses as follows; (1)
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Melvin, Gary D., Robert L. Stephenson, and Michael J. Power. "Oscillating reproductive strategies of herring in the western Atlantic in response to changing environmental conditions." ICES Journal of Marine Science 66, no. 8 (2009): 1784–92. http://dx.doi.org/10.1093/icesjms/fsp173.

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Abstract Melvin, G. D., Stephenson, R. L., and Power, M. J. 2009. Oscillating reproductive strategies of herring in the western Atlantic in response to changing environmental conditions. – ICES Journal of Marine Science, 66: 1784–1792. Herring are broadly distributed in the western Atlantic, but reproductive activity is restricted to the central portion, from Cape Cod to northern Newfoundland. Spawning extends from early spring to late autumn. Two spawning types are recognized: spring spawners and autumn spawners. At the southern extreme, spawning occurs almost exclusively in autumn, whereas i
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Albers, J. L., and M. L. Wildhaber. "Reproductive strategy, spawning induction, spawning temperatures and early life history of captive sicklefin chubMacrhybopsis meeki." Journal of Fish Biology 91, no. 1 (2017): 58–79. http://dx.doi.org/10.1111/jfb.13329.

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Rifi, Mouna, Gaël Le Pennec, Mohamed Ben Salem, and Jamila Ben Souissi. "Reproductive strategy of the invasive cockle Fulvia fragilis in the Bay of Tunis (Tunisia)." Journal of the Marine Biological Association of the United Kingdom 91, no. 7 (2011): 1465–75. http://dx.doi.org/10.1017/s0025315411000099.

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This study is the first work on the reproductive biology of lessepsian bivalve Fulvia fragilis. Monthly and bimonthly samplings were made in the period from April 2006 to October 2007, at the Bay of Tunis (northern Tunisia). From histological preparations of gonad, a gametogenic scale was drawn up based on eight stages: sexual rest; initiation of gametogenesis; advanced gametogenesis; ripe; partial spawning; advanced spawning; restoration; and spent. After examination of gonad preparations, F. fragilis appeared to be a simultaneous hermaphrodite species. Spawning was continuous all along the y
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Priyatha, Chokki Veettil, and Kumari Chidambaran Chitra. "Evaluation of the reproductive cycle and gonadal development in the climbing perch, Anabas testudineus (Bloch, 1792) in captivity." Journal of Fisheries 10, no. 1 (2022): 101206. http://dx.doi.org/10.17017/j.fish.364.

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The climbing perch Anabas testudineus, the most demanded indigenous fish species of India, were used for the evaluation of reproductive strategy and gonadal development at first maturation under the controlled laboratory condition. In both sexes, four distinct gonadal developmental stages namely preparatory, pre-spawning, spawning, and post-spawning were identified based on the gonadosomatic index (GSI), hepatosomatic index (HSI), gonadal morphology, and the levels of serum sex hormones. The spawning stage was identified from July and August and the fecundity ranged from 6500–11000 eggs. The G
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Embke, Holly S., Patrick M. Kocovsky, Tatiana Garcia, Christine M. Mayer, and Song S. Qian. "Modeling framework to estimate spawning and hatching locations of pelagically spawned eggs." Canadian Journal of Fisheries and Aquatic Sciences 76, no. 4 (2019): 597–607. http://dx.doi.org/10.1139/cjfas-2018-0047.

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Identifying spawning and hatching locations is vital to controlling invasive fish and conserving imperiled fish, which can be difficult for pelagically spawning species with semi-buoyant eggs. In freshwater systems, this reproductive strategy is common among cyprinid species, such as Chinese carp species currently threatening the Great Lakes. Following the confirmation that one of these species, grass carp (Ctenopharyngodon idella), was spawning in a Great Lakes tributary, we developed a modeling framework to combine field data with hydraulic models to calculate the most probable spawning and
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Hall, D. L., R. Hilborn, M. Stocker, and C. J. Walters. "Alternative Harvest Strategies for Pacific Herring (Clupea harengus pallasi)." Canadian Journal of Fisheries and Aquatic Sciences 45, no. 5 (1988): 888–97. http://dx.doi.org/10.1139/f88-107.

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A simulated Pacific herring (Clupea harengus pallasi) population is used to evaluate alternative management strategies of constant escapement versus constant harvest rate for a roe herring fishery. The biological parameters of the model are derived from data on the Strait of Georgia herring stock. The management strategies are evaluated using three criteria: average catch, catch variance, and risk. The constant escapement strategy provides highest average catches, but at the expense of increased catch variance. The harvest rate strategy is favored for its reduced variance in catch and only a s
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Dissertations / Theses on the topic "Spawning strategy"

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Adolfsson, Oscar. "Consequences on population dynamics following regained connectivity in pike (Esox lucius) spawning location." Thesis, Linnéuniversitetet, Institutionen för biologi och miljö (BOM), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-104213.

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Distributional movements of subpopulations may act as a buffer to prevent the loss of a species in a certain area. However, within subpopulations adaptations may evolve that makes the inhabitants of a certain habitat to better cope with prevailing environmental conditions. If such traits are related to reproduction, they may reduce the opportunity of gene exchange between other subpopulations. Also, a lack of adaptations to a specific habitat may be what prevents a group of individuals, arriving from an adjacent habitat, to successfully colonize an area where a previous subpopulation has been
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Teichert, Nils. "Variabilité des traits d’histoire de vie chez les Gobiidae (Sicydiinae) amphidromes de l’île de la Réunion : Sicyopterus lagocephalus (Pallas, 1770) et Cotylopus acutipinnis (Guichenot, 1863)." Thesis, Pau, 2012. http://www.theses.fr/2012PAUU3024/document.

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Les Sicydiinae amphidromes constituent une part importante des peuplements piscicoles insulaires de la région Indo-Pacifique et sont vulnérables à de nombreuses pressions anthropiques (i.e. pêcherie, dégradation et fragmentation des habitats). La reproduction a lieu en eau douce, puis les jeunes dévalent en mer où ils débutent leur croissance pendant quelques mois avant de coloniser les rivières. L’objectif est d’acquérir des connaissances sur les traits de vie de S. lagocephalus (cosmopolite) et de C. acutipinnis (endémique). Les travaux de terrain démontrent que le choix de l’habitat quotidi
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Nakayama, Shinnosuke 1978. "Intraspecific competition among early life stages and the optimal spawning strategy of red drum (Sciaenops ocellatus)." Thesis, 2009. http://hdl.handle.net/2152/ETD-UT-2009-12-525.

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This collection of studies was designed to understand the mechanisms and consequences of competition among early life stages of red drum (Sciaenops ocellatus), with a special attention to asymmetric competition and multiple-breeding strategy of parents. The overall hypotheses were that (1) red drum larvae show behavioral interactions, and the magnitude of these interactions is explained by the sizes of the competing individuals, (2) red drum larvae compete for food and habitat use, and the competition is asymmetric as determined by size and behavioral interactions, and (3) the parents can redu
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Books on the topic "Spawning strategy"

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Das, Abhijit. Strategies in GATT and WTO Negotiations. Oxford University PressOxford, 2025. https://doi.org/10.1093/9780198934431.001.0001.

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Abstract While many books have examined strategies in commercial negotiations among private entities, there has hardly been any attempt at systematically analysing negotiating strategies in multilateral trade negotiations involving governments at the erstwhile General Agreement on Tariffs and Trade (GATT) and subsequently the World Trade Organization (WTO). Based on unparalleled access to first-hand accounts of key negotiators from India and other developing countries, Strategies in GATT and WTO Negotiations provides a systematic identification and comprehensive analysis of strategies and tact
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Book chapters on the topic "Spawning strategy"

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Hahn, Ernst Moritz, Mateo Perez, Sven Schewe, Fabio Somenzi, Ashutosh Trivedi, and Dominik Wojtczak. "Model-Free Reinforcement Learning for Branching Markov Decision Processes." In Computer Aided Verification. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-81688-9_30.

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AbstractWe study reinforcement learning for the optimal control of Branching Markov Decision Processes (BMDPs), a natural extension of (multitype) Branching Markov Chains (BMCs). The state of a (discrete-time) BMCs is a collection of entities of various types that, while spawning other entities, generate a payoff. In comparison with BMCs, where the evolution of a each entity of the same type follows the same probabilistic pattern, BMDPs allow an external controller to pick from a range of options. This permits us to study the best/worst behaviour of the system. We generalise model-free reinfor
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Earl, Michael J. "Strategy-Making in the Information Age." In Rethinking Management Information Systems. Oxford University PressOxford, 1999. http://dx.doi.org/10.1093/oso/9780198775331.003.0009.

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Abstract Most scholars might agree that we are by now well on our way through the transition from an industrial economy to an information economy. The convergence of computing, telecommunications, and software is not only enabling new forms of competition and organisation to evolve, but the digital convergence of various states of information-data, text, voice, graphics, audio, and video-is also spawning new business opportunities and new ways of communicating. Only the most reclusive Luddite could argue that business and economic activity today is untouched by information technology.
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"Conservation, Ecology, and Management of Catfish: The Second International Symposium." In Conservation, Ecology, and Management of Catfish: The Second International Symposium, edited by JOSEPH N. STOECKEL and RICHARD J. NEVES. American Fisheries Society, 2011. http://dx.doi.org/10.47886/9781934874257.ch22.

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<em>Abstract</em>.—Captive spawning is a strategy to bolster populations of rare madtoms <em>Noturus</em> spp., but very little is known regarding their reproductive development in captivity. The primary goal of this research was to develop methods to stimulate gonadal maturation of captive madtoms. We used the nonimperiled margined madtom <em>N. insignis</em> as a model species to investigate the effects of photothermal regimes on gonadal development and reproductive hormones. We also evaluated testicular development of madtoms injected with common carp &lt
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Tut Deng, Gatriay, and Birtukan Tsegaye Demisse. "Freshwater Fish Migration: Fisheries Management Strategy Insight." In Environmental Sciences. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.110027.

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Migration is a deliberate movement taken by animals for survival. It is commonly categorized as spawning, feeding, and refuge seeking migrations. Migration is governed by costs and benefits. Energy production and utilization is one of the greatest challenges of freshwater fish migration. The upstream and long-distance migrants demand more energy. Orientation and navigation mechanisms in fishes have a long history of interest. Different sensory mechanisms for accurate orientation have been suggested, including orientation using sun position, polarized light patterns, and the Earth’s geomagnetic
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"Life in the Slow Lane: Ecology and Conservation of Long-Lived Marine Animals." In Life in the Slow Lane: Ecology and Conservation of Long-Lived Marine Animals, edited by Robert W. Chapman, George R. Sedberry, John C. McGovern, and Bradley E. Wiley. American Fisheries Society, 1999. http://dx.doi.org/10.47886/9781888569155.ch13.

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<em>Abstract.</em> —Individuals of many aquatic species produce millions of offspring in a single spawning event, engage in several such events during a spawning season, and may be reproductively active for many years. Out of all of this activity only two offspring must reach reproductive age in order for the species to maintain its numbers. The genetic consequences of this high-risk strategy have been discussed in previous work. At least five null hypotheses concerning the relationship between reproductive output and the distribution of genetic variation can be constructed from th
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Capelli, Mark Henri. "The role of wildfires in the recovery strategy for the endangered southern California steelhead." In Biogeomorphic Responses to Wildfire in Fluvial Ecosystems. Geological Society of America, 2024. http://dx.doi.org/10.1130/2024.2562(06).

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ABSTRACT Southern California steelhead (Oncorhynchus mykiss) occupy wildfire-prone watersheds from the Santa Maria River in Santa Barbara County to the Tijuana River at the U.S.-Mexico border. This tectonically active landscape is characterized by a Mediterranean climate, highly erosive soils, and a fire-dependent chaparral/ coastal sage scrub-dominated plant community. These features create an unstable landscape to which the southernmost steelhead populations have adapted over the past 20 m.y. Wildfires help to create and maintain essential features of the species’ freshwater habitats, includ
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Bollard, Alan. "The Cold War Hardens." In Economists in the Cold War. Oxford University PressOxford, 2023. http://dx.doi.org/10.1093/oso/9780192887399.003.0003.

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Abstract Chapter 3 is set in the early 1950s, mainly in the United States. The US Administration was now taking a hard anti-Communist line, partly influenced by the economic ideas and sympathies of brilliant Hungarian mathematician-economist John von Neumann, an avowed supporter of Western capitalism. He brought his ideas on game theory, computing architecture, and dynamic economic growth into the Cold War era, spawning the ‘mutually assured destruction’ (MAD) strategy of nuclear competition. The chapter pits von Neumann’s ideas on capital-led growth against his Soviet nemesis, Nobel-prize-win
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"Propagated Fish in Resource Management." In Propagated Fish in Resource Management, edited by BARRY BEREJIKIAN, THOMAS FLAGG, and PAUL KLINE. American Fisheries Society, 2004. http://dx.doi.org/10.47886/9781888569698.ch20.

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<em>Abstract.</em>—Captive broodstocks have been initiated for maintenance and recovery of imperiled anadromous salmonid populations because they can provide a rapid demographic boost and reduce short-term extinction risk. As with captive propagation programs for other vertebrates, difficulties with reintroduction to the natural environment may impede success in achieving the program’s objectives. Strategies for reintroduction of anadromous salmonid captive broodstocks in the United States and Canada include release of captively reared adults (currently four programs), stocking the
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"Challenges for Diadromous Fishes in a Dynamic Global Environment." In Challenges for Diadromous Fishes in a Dynamic Global Environment, edited by Midori Iida, Shun Watanabe, and Katsumi Tsukamoto. American Fisheries Society, 2009. http://dx.doi.org/10.47886/9781934874080.ch23.

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<em>Abstract</em>-<em>Sicyopterus japonicus </em>is unique because it is the only temperate amphidromous goby of the subfamily Sicydiinae. Life history and migration characteristics of <em>S. japonicus</em>, including seasonal changes of condition factor, spawning season, hatching size, oceanic larval duration, recruitment season, and size at recruitment, were examined in the temperate region of western Japan and were compared with those of other Sicydiinae species, all of which inhabit the tropics and subtropics. The condition factor varied seasonally, with
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"Propagated Fish in Resource Management." In Propagated Fish in Resource Management, edited by VAUGHN L. PARAGAMIAN and RAYMOND C. P. BEAMESDERFER. American Fisheries Society, 2004. http://dx.doi.org/10.47886/9781888569698.ch32.

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<em>Abstract.</em>—In 1994, the Kootenai River white sturgeon <em>Acipenser transmontanus </em>was listed in the United States as an endangered species. Under provisions of the Endangered Species Act, a recovery plan was prepared and included two main recovery measures: (1) mitigation of spring flows for spawning and early life rearing, and (2) implementation of a conservation aquaculture and breeding plan to prevent extinction and sustain year-classes. The hatchery program was controversial and intended as a short-term measure as the flow mitigation strategy for wild f
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Conference papers on the topic "Spawning strategy"

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Crumpton, Paul, and Michel Cancelliere. "Use of Look-Ahead Reservoir Models to Optimize Reservoir Performance." In SPE Reservoir Simulation Conference. SPE, 2023. http://dx.doi.org/10.2118/212259-ms.

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Abstract The objective is to use future simulated well behavior to optimize well management within a complex reservoir simulation model. This can be used to increase simulated plateau life and reserves. Traditional well management systems often rely on instantaneous well potential to choose guide rates to determine the well allocation within a group of wells. This has proved to be a very effective strategy. However, for the problem of plateau optimization, one can observe the high instantaneous potential of many wells after the plateau is exhausted; this is because the traditional well managem
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Reports on the topic "Spawning strategy"

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Walters, Kristen, and Auston Chhor. Exploring modes of funding and governance for the Lower Fraser River. Raincoast Conservation Foundation, 2024. http://dx.doi.org/10.70766/3.83528.

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The Fraser River is a legacy to the economic, cultural, and ecological backbone of British Columbia. Draining more than a quarter of the province and supporting one of the largest Pacific salmon runs in the world, it is a globally renowned river. The Lower Fraser, defined as the ecoregion between Yale, BC and Metro Vancouver, contains some of the most important spawning and rearing habitat along the entire river. Decades of development have left the Lower Fraser facing numerous challenges, including extensive habitat loss, flooding, and water pollution. There is no comprehensive funding or man
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Börjesson, Patrik, Maria Eggertsen, Lachlan Fetterplace, et al. Long-term effects of no-take zones in Swedish waters. Edited by Ulf Bergström, Charlotte Berkström, and Mattias Sköld. Department of Aquatic Resources, Swedish University of Agricultural Sciences, 2023. http://dx.doi.org/10.54612/a.10da2mgf51.

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Marine protected areas (MPAs) are increasingly established worldwide to protect and restore degraded ecosystems. However, the level of protection varies among MPAs and has been found to affect the outcome of the closure. In no-take zones (NTZs), no fishing or extraction of marine organisms is allowed. The EU Commission recently committed to protect 30% of European waters by 2030 through the updated Biodiversity Strategy. Importantly, one third of these 30% should be of strict protection. Exactly what is meant by strict protection is not entirely clear, but fishing would likely have to be fully
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