What Can We Learn From Resource Pulses

Yang, Louie H.; Bastow, Justin L.; Spence, Kenneth O.; Wright, Amber N.

doi:10.1890/07-0175.1

Cited by 529 publications

(556 citation statements)

References 165 publications

(201 reference statements)

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“…Theories by Yang et al (2008) and Holt (2008) scale inputs of subsidy resources by the magnitude and duration of the inputs relative to the consumer resource demand and generation time of the consumers, respectively. This kind of quantification is still missing from a great deal of the empirical research, although Marczak et al (2007) used a meta-analysis to look at how the relative magnitude of inputs affected consumer populations.…”

Section: Discussionmentioning

confidence: 99%

“…Many studies have used short-term pulses in experiments. However, we still need to do more to scale these subsidy pulses in ways that can be incorporated into consumer-resource dynamics and models such as those mentioned above (Yang et al 2008;Holt 2008). …”

Section: Quantitative Effects Of Experimental Manipulationsmentioning

confidence: 99%

“…There are several other very good examples of community-level effects, directly and indirectly resulting from subsidy inputs, but it is not our purpose to review all of those here. Resource subsidies could also be potentially destabilizing as biomass of a subsidized population returns to feeding on in situ resources and potentially overconsuming instantaneous production (Yang et al 2008). Nowlin et al (2007) and Jones and Lennon (2015) showed that increased subsidy inputs (cicada carcasses and DOC concentration, respectively) resulted in decreased stability across an intermediate level of subsidy input rates.…”

Section: Alternate Trajectories Of Consumer Population Responses To Smentioning

confidence: 99%

“…These included questions of duration and magnitude (e.g., Yang et al 2008), resource quality (size, nutritional value, protective chemicals, etc. ; e.g., Marcarelli et al 2011), influence on intensity of trophic cascades, and impacts on recipient system stability.…”

Section: Alternate Trajectories Of Consumer Population Responses To Smentioning

confidence: 99%

“…However, the synthesis of the topic by Polis et al (1997) helped focus on the process and allowed for generalizations of this particular consumer-resource interaction across ecosystems. There is now theory available that allows for more formal consideration of population and community dynamics in response to these spatially subsidized, donor-controlled resource fluxes (e.g., Yang et al 2008;Holt 2008;Takimoto et al 2009). We now know that relative differences in primary productivity between adjacent habitats is not a sufficient predictor of which direction across ecosystem boundaries will result in impacts of subsidies on productivity of recipient consumers (Marczak et al 2007a).…”

Section: Introductionmentioning

confidence: 99%

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Getting quantitative about consequences of cross-ecosystem resource subsidies on recipient consumers

Richardson

Wipfli

2016

Can. J. Fish. Aquat. Sci.

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Most studies of cross-ecosystem resource subsidies have demonstrated positive effects on recipient consumer populations, often with very large effect sizes. However, it is important to move beyond these initial addition-exclusion experiments to consider the quantitative consequences for populations across gradients in the rates and quality of resource inputs. In our introduction to this special issue, we describe at least four potential models that describe functional relationships between subsidy input rates and consumer responses, most of them asymptotic. Here we aim to advance our quantitative understanding of how subsidy inputs influence recipient consumers and their communities. In the papers following, fish were either the recipient consumers or the subsidy as carcasses of anadromous species. Advancing general, predictive models will enable us to further consider what other factors are potentially co-limiting (e.g., nutrients, other population interactions, physical habitat, etc.) and better integrate resource subsidies into consumer-resource, biophysical dynamics models.Résumé : La plupart des études des apports de ressources entre écosystèmes ont démontré des effets positifs sur les populations de consommateurs récepteurs, dont, bien souvent, de très grands effets sur la taille. Il importe toutefois d'aller au-delà de ces expériences initiales d'ajout-exclusion pour examiner les conséquences quantitatives sur les populations le long de gradients du taux et de la qualité des apports de ressources. Dans notre article d'introduction au présent numéro spécial, nous décrivons au moins quatre modèles potentiels qui décrivent les relations fonctionnelles entre les taux d'apports de ressources et les réactions de consommateurs, la plupart étant asymptotiques. Nous tentons ainsi d'accroître la compréhension quantitative de l'influence des apports sur les consommateurs récepteurs et les communautés dont ils font partie. Dans les articles suivants, des poissons représentent soit des consommateurs récepteurs ou des apports, sous forme de carcasses d'espèces anadromes. Le développe-ment de modèles prédictifs généraux permettra d'évaluer quels autres facteurs pourraient être colimitants (p. ex. nutriments, autres interactions de populations, habitat physique) et de mieux intégrer les apports de ressources aux modèles biophysiques de la dynamique consommateurs-ressources. [Traduit par la Rédaction]

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Section: Discussionmentioning

confidence: 99%

Section: Quantitative Effects Of Experimental Manipulationsmentioning

confidence: 99%

Section: Alternate Trajectories Of Consumer Population Responses To Smentioning

confidence: 99%

Section: Alternate Trajectories Of Consumer Population Responses To Smentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Getting quantitative about consequences of cross-ecosystem resource subsidies on recipient consumers

Richardson

Wipfli

2016

Can. J. Fish. Aquat. Sci.

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Resilience of coastal wetlands to extreme hydrologic events in Apalachicola Bay

Tahsin

Medeiros

Singh

2016

Geophysical Research Letters

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Extreme hydrologic events such as hurricanes and droughts continuously threaten wetlands which provide key ecosystem services in coastal areas. The recovery time for vegetation after impact from these extreme events can be highly variable depending on the hazard type and intensity. Apalachicola Bay in Florida is home to a rich variety of saltwater and freshwater wetlands and is subject to a wide range of hydrologic hazards. Using spatiotemporal changes in Landsat‐based empirical vegetation indices, we investigate the impact of hurricane and drought on both freshwater and saltwater wetlands from year 2000 to 2015 in Apalachicola Bay. Our results indicate that saltwater wetlands are more resilient than freshwater wetlands and suggest that in response to hurricanes, the coastal wetlands took almost a year to recover, while recovery following a drought period was observed after only a month.

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Entomology

Benbow

Merritt

Pechal

2013

Wiley Encyclopedia of Forensic Science

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Forensic entomology is the use of arthropod evidence in legal investigations. Most often, forensic entomologists assist homicide investigations by estimating the time of death using information on the biology and ecology of arthropods. Insects play an important role in the natural decomposition process of carrion and, therefore, are inherently attracted to a decomposing body. Because of this, a decaying body is colonized by a predictable succession of arthropod species, and their developmental rates can be used to make estimates of the postmortem interval, or the time between death and corpse discovery. The succession of necrophagous invertebrates that occupy and use the decomposing resource can be used to make relatively long‐term (e.g., weeks or months) assessments of the postmortem interval. For shorter‐term estimates (e.g., days to weeks), information about life cycle and development of insect species is most often used in forensic entomological applications during a medicolegal investigation. Blow flies are generally the most important group of insects in this process, because they complete their life cycle on a decomposing corpse. By examining insect life stages and using temperature and other climate data for the time period preceding corpse discovery, a forensic entomologist back‐calculates to the time when a body was initially colonized by insects. Because colonization usually occurs shortly after death, this may be a close approximation of the time of death. Environmental factors that may delay insect colonization, such as cold temperatures, darkness, rain, and burial, will affect the estimate of an entomology‐based minimum postmortem interval. Insects also can be useful in providing toxicological and pathological information in an investigation.

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What Can We Learn From Resource Pulses

Cited by 529 publications

References 165 publications

Getting quantitative about consequences of cross-ecosystem resource subsidies on recipient consumers

Getting quantitative about consequences of cross-ecosystem resource subsidies on recipient consumers

Resilience of coastal wetlands to extreme hydrologic events in Apalachicola Bay

Entomology

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