Biological control of aquatic vegetation using grass carp: simulation of alternative strategies

Santha, Calista R.; Grant, William E.; Neill, William H.; Strawn, R. Kirk

doi:10.1016/0304-3800(91)90179-5

Cited by 26 publications

(3 citation statements)

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“…The introduction of non-native predators, competitors, parasites, or pathogens, known as biological control (Santha et al 1991), can be a useful method for managing invasive species. However, biological control can be controversial (Simberloff 2012) given the potential to create new problem species (Messing and Wright 2006).…”

Section: Controlling Invasions With Physiological Concepts and Toolsmentioning

confidence: 99%

Improving science-based invasive species management with physiological knowledge, concepts, and tools

et al. 2015

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Biological invasions are a prominent factor contributing to global biodiversity loss. As a result, managing invasive species is a priority for many conservation scientists and natural resource managers. Invasive species management requires a multidisciplinary approach and there is increasing recognition that physiology can be used to inform conservation efforts because physiological processes underlie an individual's response to its environment. For example, physiological concepts and tools can be used to assess the impacts of invasive animals on their new ecosystems, to predict which animal species are likely to become invasive, to prevent the introduction of nonnative animals, and to control incipient or established invasions. To evaluate whether physiology is integrated within invasion science, the journal Biological Invasions was surveyed for a quantitative literature review. To determine how physiology is used to inform invasion science and which subdisciplines of physiology are particularly relevant to invasive animal management, the broader invasion literature was also reviewed to identify examples where physiology has contributed to studying and managing invasive animals. Only 6 % of articles published in Biological Invasions incorporated physiological knowledge or tools, mostly for the purposes of identifying traits associated with species invasiveness (i.e. prediction). However, the broader literature indicated that successful invasive species research and management can be supported by fundamental and applied physiological research for assessing, predicting, preventing, and controlling invasive animals. Development of new techniques and increased availability of equipment for remote or rapid monitoring of physiology in the field will increase opportunities for integrating physiology within invasion science.

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Section: Controlling Invasions With Physiological Concepts and Toolsmentioning

confidence: 99%

Improving science-based invasive species management with physiological knowledge, concepts, and tools

et al. 2015

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“…However, use of grass carp to control nuisance aquatic vegetation is not without controversy (Fedorenko and Fraser 1978;Ware and Gasaway 1978). Often, grass carp have been stocked at densities which produce no effect on target aquatic vegetation or at densities which completely eliminate all aquatic vegetation (Sutton 1977;Leslie et al 1987;Santha et al 1991;Kirk 1992). Concerns regarding grass carp introduction include elimination of nontarget aquatic vegetation, migration out of the system, adverse effects on fish communities, damage to waterfowl habitat, and damage to estuarine nursery areas (Bain 1993).…”

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confidence: 99%

Collection, Age, Growth, and Population Attributes of Triploid Grass Carp Stocked into the Santee-Cooper Reservoirs, South Carolina

Morrow

Kirk

Killgore

1997

North American Journal of Fisheries Management

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Collection techniques were developed for monitoring populations of triploid grass carp Ctenopharyngodon idella stocked into the Santee-Cooper reservoirs, South Carolina, to control hydrilla Hydrilla verticillata. Skilled bowfishers, who were paid a bounty of US$50.(X) per fish, collected 69, 125, and 160 triploid grass carp in 1992. 1993, and 1994. respectively. Fish were fully vulnerable to bowfishing by age 2. Examination of sectioned utricularotoliths(lapilli)revealcd annual marks formed during May-June. Weight (W) increased linearly with age (/, years), for ages 1-6; W = -2,360 + 3,016f. Age-specific weights ranged from 0.39 kg to 15.68 kg for fish of ages 1-6. The weight to total length (TL, mm) relation varied little during the study and was W 0.00000425(TL) 3 185 . A von Bertalanffy growth equation was fitted to describe the relation between length and age. TL, = 1,044(1 -e 06I5 <' 0.59O)) Thc anmj al rate of mortality was 22% in 1994. We estimate that 350,000 triploid grass carp, weighing about 2.000,000 kg. were present in the system as of August 1994; this represented approximately 17 grass carp, or 97 kg, per vegetated hectare. Collection and aging techniques developed in this study may have application in places where triploid grass carp are conservatively and incrementally stocked into large systems. In this regard, population density and growth can be monitored and future stockings adjusted accordingly.

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“…Nonetheless, in an increasingly risk-averse world, biological control faces growing regulatory and risk perception hurdles, even though successful biological control is relatively cheap compared to conventional mechanical and chemical control, and it is sustainable. Using highly host-specific agents to control invasive alien plants is also in stark contrast [2][3][4]5 ] to historic unregulated use of generalist vertebrate predators or herbivores in misguided attempts to control pests or undesirable vegetation [6][7][8]. Yet the term 'biological control' dates from these early activities and so is often perceived as extremely risky [9].…”

Section: Introductionmentioning

confidence: 99%

Quantifying the social and economic benefits of the biological control of invasive alien plants in natural ecosystems

Wilgen

Raghu

Sheppard

et al. 2020

Current Opinion in Insect Science

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Invasive alien plants reduce ecosystem service delivery, resulting in environmental, economic and social costs. Here we review the returns on investment from biological control of alien plants that invade natural ecosystems. Quantifying the economic benefits of biological control requires estimates of the reductions in ecosystem goods and services arising from invasion. It also requires post-release monitoring to assess whether biological control can restore them, and conversion of these estimates to monetary values, which has seldom been done. Past studies, mainly from Australia and South Africa, indicate that biological control delivers positive and substantial returns on investment, with benefit:cost ratios ranging from 8:1 to over 3000:1. Recent studies are rare, but they confirm that successful biological control delivers attractive returns on investment, which increase over time as the value of avoided impacts accumulates.

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Biological control of aquatic vegetation using grass carp: simulation of alternative strategies

Cited by 26 publications

References 10 publications

Improving science-based invasive species management with physiological knowledge, concepts, and tools

Improving science-based invasive species management with physiological knowledge, concepts, and tools

Collection, Age, Growth, and Population Attributes of Triploid Grass Carp Stocked into the Santee-Cooper Reservoirs, South Carolina

Quantifying the social and economic benefits of the biological control of invasive alien plants in natural ecosystems

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