Publications
"Does hybrid Phragmites australis differ from native and introduced lineages in reproductive, genetic, and morphological traits?"
American Journal of Botany
"Competition from native hydrophytes reduces establishment and growth of invasive dense-flowered cordgrass (Spartina densiflora)"
Peer J
"Weed Control in Natural Areas in the Western United States. "
Weeds Research and Information Center, University of California. 544 pp.
"Behavioral and life historical responses of larval American toads to an odonate predator. "
Ecology 71:2313-2322.
"Chemically mediated avoidance of a predatory odonate (Anax junius) by American toad (Bufo americanus) and wood frog (Rana sylvantica) tadpoles."
Behav. Ecol. Sociobiol. 42:263-271.
"Tailed frog tadpoles differentially alter their feeding behavior in response to non-visual cues from four predators"
J. North American Benthol. Soc 13:310-320.
"Can the introduction of Xenopus laevis affect native amphibian populations? Reduction of reproductive occurrence in presence of the invasive species."
Biol. Invasions 13:1533-1541.
"Spread of chytridiomycosis has caused the rapid global decline and extinction of frogs. "
EcoHealth 4:125-134.
"Notes on the diet of a feral population of Xenopus laevis (Pipidae) in California."
The Southwestern Naturalist 25(2):272-275.
"Growth and ageing of feral Xenopus laevis (Daudin) in South Wales, U.K.. "
J. Zool. London 254:547-555.
"The large invasive population of Xenopus laevis in Sicily, Italy."
Amphibia-Reptilia 29:405-412.
"The ongoing invasion of the African clawed frogs (Xenopus laevis) in Chile: causes of concern."
Biodiversity and Conservation 14:429-439.
"he Biology of Xenopus. Oxford Science Publications and the Zoological Society of London."
Clarendon Press, Oxford.
"Amphibian Declines: The Conservation Status of United States Species. "
University of California Press.
"Insects and nematodes that attack cole crops in southern Africa – a research review."
J. Plant Dis. Protect. 99, 430–440.
" Agricultural insect pests of the tropics and their control"
1st edn. Cambridge University Press, Cambridge, UK.
"The bragada bug (Hemiptera: Pentatomidae): a new invasive pest of cole crops in Arizona and California."
Plant Health Prog.
"First report of the invasive stink bug Bagrada hilaris (Burmeister) (Heteroptera: Pentatomidae) from New Mexico, with notes on its biology. "
Southwest. Entomol. 37, 411–414.
"Perennial pepperweed."
Rangelands Archives, 17(4), 121-123
"Another exotic mollusk in the Laurentian Great Lakes: the New Zealand native Potamopyrgus antipodarum (Gray 1843) (Gastropoda, Hydrobiidae)."
Canadian Journal of Fisheries and Aquatic Sciences 54:809-814
"Supplement to the Prosobranchia (Mollusca: Gastropoda) Fauna of Fresh and Brackish Waters of Turkey. "
Turkish Journal of Zoology 30: 197-204
"Status of New Zealand Mud Snails (Potamopyrgus antipodarum) in the Green River downstream from Flaming Gorge Dam: Current Distribution; Habitat Preference and Invertebrate Changes; Food Web and Fish Effects; and Predicted Distributions Final Report for Pr"
USFWS – 601815G405NPS –J1242050058, BLM – JSA041003
"A guide to the freshwater molluska of New Zealand. "
Tuatara 20:141-159.
"The New Zealand species of Potamopyrgus (Gastropoda: Hydrobiidae). "
Malacologia 10:283-321.
"Effects of nutrient enrichment and grazing on periphyton assemblages in some spring-fed, South Island streams. "
NZ Nat Sci 16:57-65.
"Water temperature as a factor limiting the distribution of Potamopyrgus antipodarum (Gastropoda-Prosobranchia) in the New Zealand thermal region. "
New Zealand Journal of Marine and Freshwater Research 16:283-287. 3: 453-458.
"Distribution of macroinvertebrates in relation to physical and biological variables in the littoral zone of nine New Zealand lakes. "
Hydrobiologia 462:115-129.
"Water temperature as a factor limiting the distribution of Potamopyrgusantipodarum (Gastropoda: Prosobranchia) in the New Zealand thermal region. "
New Zealand Journal of Marine and Freshwater Research 3:453-458.
"Macroinvertebrates associated with aquatic macrophytes in Lake Alexandrine. New Zealand. "
New Zealand Journal of Marine and Freshwater Research, 21, 199–213
"Effects of deposited sediment on patch selection by two grazing stream invertebrates. "
Hydrobiologia 549(1):205–218.
"The effect of elevated water temperatures on the occurrence of freshwater snails in the Rybnik dam reservoir (Upper Silesia, Poland). "
Folia Malacologica 7:93– 98
"Mitochondrial haplotypes and the New Zealand origin of clonal EuropeanPotamopyrgus, an invasive aquatic snail. "
Molecular Ecology 14: 2465-2473
"Pathways of N and C uptake and transfer in stream food webs: an isotope enrichment experiment. "
Journal of the North American Benthological Society 24(4):955–975.
"Food choice behaviour may promote habitat specificity in mixed populations of clonal and sexual Potamopyrgus antipodarum. "
Animal Behaviour 60:435-441.
"A preliminary assessment of the potential of the Muscovy duck (Cairina maschata) as a biocontrol agent of schistosomiasis intermediate host snails."
Cent. African J. of Medicine 46:271-275.
"An alternative method for decontamination: bleach toxicity in New Zealand mud snails from upper Owens River. "
In: Chavez Writing and Editing, August 26 and 27, 2003. Potamopyrgus antipodarum In the Western USA: Conference 2003. Minutes of the Third Annual Conference. Cheever Hall, Montana State University, Bozeman, Montana.
"Effects of artificially elevated water temperature on the growth, reproduction, and life cycle of a natural population of Physa virgata Gould. "
Ecology 56:1167– 1175.
"Food and energy in the diet of brown and rainbow trout from Lake Benmore, New Zealand. "
New Zealand Journal of Marine and Freshwater Research 20:551-559.
"An ecological study of a small New Zealand stream with particular reference to the oligochaeta. "
Hydrobiologia 65: 199–208.
"Fauna bespozvonochnykh nizov’ev rek USSR, usloviya eyo suschestvovaniya i puti ispolzovaniya, Ch. 2. Dneprovsko-Bugskij liman [Invertebrate fauna of the lower reaches of Ukrainian rivers, its environmental conditions and possibilities of its use, part 2: "
Akad. Nauk USSR, Kiev, 207 pp
"Biological invasions: lessons for ecology. "
Trends in Ecology and Evolutionary Biology 8:133-137
"Temporal and spatial distributions of parasites and sex in a freshwater snail. "
Evolutionary Ecology Research 4:219-226.
"Host-parasite coevolution and sex. "
BioScience 46:107-113.
"Evidence from a New Zealand snail for the maintenance of sex by parasitism. "
Nature 328:519-521.
"Evidence from a New Zealand snail for the maintenance of sex by parasitism. "
Nature 328:519-521.
"The invasive New Zealand mud snail (Potamopyrgus antipodarum) in Lake Erie. "
Journal of Great Lakes Research 33: 1–6.
"Parasite-induced change in host behavior of a freshwater snail: parasitic manipulation or byproduct of infection?"
Behavioral Ecology 10:234-241.
"The influence of non-host predators on parasite-induced behavioral changes in a freshwater snail. "
Oikos 81:531-537.
"Perceived predation risk, parasitism, and the foraging behavior of a freshwater snail (Potamopyrgus antipodarum). "
76:1878-1884.
"Non–native species and rates of spread: lessons from the brackish Baltic Sea. "
Biological Invasions 2(2):151–163.
"Reproductive effort in Danish mudsnails (Hydrobiidae). "
Oecologia 40:365-369.
"On-going Macroinvertebrate Analysis Using the Biotic Condition Index and the Appearance of Potamopyrgus antipodarum (Gray) in Box Canyon Creek, Southern Idaho. "
Proceedings of the Desert Fishes Council 21: 183-194.
"A review of biologically-based technologies for pest control in aquatic habitats. "
A report to the Office of Technology Assessment, United States Congress
"Effects of invasive macrophytes on littoral–zone productivity and foodweb dynamics in a New Zealand high–country lake. "
Journal of the North American Benthological Society 24(2):300–320.
"Removal of settled sediments and periphyton from macrophytes by grazing invertebrates in the littoral zone of a large oligotrophic lake. "
Freshwater Biology 44(2):311–326.
"Genetic population structure of the prosobranch snail Potamopyrgus antipodarum (Gray) in Denmark using PCR-RAPD fingerprints. "
Proceedings of the Royal Society of London Series B 263:1065-1070.
"Controlling the spread of New Zealand Mud Snail on Wading Gear."
California Department of Fish and Game Pesticide Investigations Unit, Rancho Cordova.
"Taxon-specific responses to high-flow disturbance in streams: implications for population persistence. "
Journal of the North American Benthological Society 19:670-679.
"Distributional responses to flow disturbance by a stream-dwelling snail. "
Oikos 87:36-47.
"Habitat–specific variation and performance trade–offs in shell armature of New Zealand mudsnails. "
Ecology 87(4):1038–1047.
"Predation of Biomphalaria and non-target molluscs by the crayfish Procambarus clarkii: Implications for the biological control of schistosomiasis. "
Annals of Tropical Medicine and Parasitology 86:663-670.
"Low specific conductivity limits growth and survival of the New Zealand mud snail from the upper owens river,California. "
Western North American Naturalist 68: 324–333
"The influence of the mobility of Potamopyrgus jenkinsi (EA Smith) (Prosobranchia: Hydrobiidae) on its spread. "
Archiv fur Hydrobiologie 103:497-508.
"Food finding and food preference in Potamopyrgus jenkinsi (EA Smith) (Gastropoda:Prosobranchia). "
Archiv fur Hydrobiologie 100:479-491.
"The influence of the mobility of Potamopyrgus jenkinsi (Smith E. A.)(Prosobranchia: Hydrobiidae) on its spread. "
Arch. Hydrobiol. 103:497-508.
"Modeling regional distribution and local food web dynamicsof the new zealand mud snail (potamopyrgus antipodarum). "
MS thesis UTAH STATE UNIVERSITYLogan, Utah
"Effects of contrasting land use on physico-chemical conditions and benthic assemblages of streams in a Canterbury (South Island, New Zealand) river system. "
New Zealand Journal of Marine and Freshwater Research 29:479-492.
"Exotic snails dominate nitrogen and carbon cycling in a highly productive stream."
Frontiers in Ecology and the Environment 1:407-411.
"Potamopyrgus jenkinsi, gastropod nou pentru apele continentale ale Republicii Populare Romine [Potamopyrgus jenkinsi, new gastropode for inland water of Romania People’s Republic]. "
Communculare Academii Republicii Populare Romîne 1(7): 593-596
"Potamopyrgus antipodarum (Mollusca:Hydrobiidae) in continental aquatic gastropod communities: impact of salinity and trematode parasitism. "
Hydrobiologia 493:167-172.
"Establishment of a new host-parasite association between the introduced invasive species Potamopyrgus antipodarum (Smith) (Gastropoda) and Sanguinicola sp Plehn (Trematoda) in Europe. "
Journal of Zoology 261:213-216.
"Potamopyrgus antipodarum (Mollusca: Hydrobiidae) in continental aquatic gastropod communities: impact of salinity and trematode parasitism. "
Hydrobiologia 493(1–3):167–172.
"Non-indigenous animal species naturalized in Iberian inland waters"
Gherardi F (ed) Biological invaders in inland waters: profiles, distribution, and threats. Springer, Dordrecht, The Netherlands, pp 123-140
"Third Annual Potamopyrgus antipodarum Conference, "
215 Cheever Hall, Montana State University, Bozeman, MT.
"Adaptation versus phenotypic plasticity in the success of a clonal invader. "
Ecology 86:1592-1601.
"Genotypic vs. condition effects on parasite-driven rare advantage. "
Journal of Evolutionary Biology 17:967-973
"Diverse, endemic and polyphyletic clones in mixed populations of the freshwater snail Potamopyrgus antipodarum. "
Journal of Evolutionary Biology 8:385-398.
"Density fluctuations in populations (1982-1986) and biological observations of Potamopyrgus jenkinsi in two trophically differing lakes. "
Hydrobiological Bulletin 21:95-110.
"Travels in New Zealand; with contributions to the geography, geology, botany, and natural history of that country."
In two volumes - Vol. II. - pp. i-iv [= 1-4], 1-396, pl. [1]. London. (Murray), page 241.
"Shells of Mollusca collected from the seas of Turkey. "
Turkish Journal of Zoology 27: 101-140
"Effect of Pinus radiata logging on stream invertebrate communities in Hawke’s Bay, New Zealand."
New Zealand Journal of Marine and Freshwater Research 37(3):507–520.
"Environmental Stability: Its Effects on Stream Benthic Communities."
PhD. University of Canterbury, New Zealand, Canterbury.
"Low specific conductivity limits growth and survival of the New Zealand mud snail from the Upper Owens River, California."
Western North American Naturalist 68:3, 324
"Life-history and growth of the prosobranch snail Potamopyrgus jenkinsi in Lake Esrom, "
Denmark. Verh Internat Verein Limnol 25:582-586.
"Disturbance and biological invasions: Direct effects and feedbacks. "
Pages 143–452 in Walker L, ed. Ecosystems of Disturbed Ground. Amsterdam: Elsevier.
"Thermal tolerances of two stream invertebrates exposed to diurnally varying temperature. "
New Zealand Journal of Marine and Freshwater Research 34(2):203–208.
"Biodiversity of aquatic gastropods in the Mont St–Michel basin (France) in relation to salinity and drying of habitats. "
Biodiversity and Conservation 10(1):1–18.
"The Rapid Spread of the Freshwater Hydrobiid Snail Potamopyrgus antipodarum (Gray) in the Middle Snake River, Southern Idaho. "
Proceedings of the Desert Fishes Council 21: 173-182.
"Hydrobia (Potamopyrgus) jenkinsi (Smith) "
in Denmark illustrated by its ecology. Oikos, 1:252-281
"Biological control of aquatic pest snails by the black carp Mylopharyngodon piceus. "
Biological Control 22:131-138.
"Passing the gut of juvenile flounder Platichthys flesus (L.) – differential survival of zoobenthic prey species. "
Marine Biology 129: 11–14.
"A comparison of Phragmites australis in freshwater and brackish environments in North America."
Wetlands Ecology and Management 8: 89-103.
"Cryptic invasion by a non-native genotype of Phragmites australis into North America."
Proceedings of the National Academy of Sciences, USA. 99: 2445-2449.
" Recognition of Phragmites australis subsp. americanus (Poaceae: Arundionideae) in North America: Evidence from morphological and genetic analyses. "
SIDA 21: 683-692.
"Native and exotic Phragmites australis in Rhode Island: distribution and differential resistance to insect herbivores."
Ph.D. Dissertation, University of Rhode Island, USA.
" Anthropogenic modification of New England salt marsh landscapes. "
Proceedings of the National Academy of Science 99: 1395-1398.
" Expansion of Phragmites australis into tidal wetlands of North America. "
Aquatic Botany 64: 261-273.
"A comparison of Phragmites australis in freshwater and brackish environments in North America."
Wetlands Ecology and Management 8: 89-103.
"Cryptic invasion by a non-native genotype of Phragmites australis into North America."
Proceedings of the National Academy of Sciences, USA. 99: 2445-2449.
"Recognition of Phragmites australis subsp. americanus (Poaceae: Arundionideae) in North America: Evidence from morphological and genetic analyses. "
SIDA 21: 683-692.
"Presentation: Ecophysiology of invasive Cape ivy"
Senior Thesis & presentation
"Presentation: Ecological role of Cape ivy in southern California riparian ecosystems (October)"
Calif. Invasive Plant Council
"Presentation: Ecology and control of Cape ivyEcological role of Cape ivy in southern California riparian ecosystems (October)"
Calif. Invasive Plant Council
"Presentation: Ecology and control of Cape ivy (March)"
Rincon Creek Council
"Presentation: Biocontrol of Cape ivy (April)"
Ventura Co. Watershed Council
"Presentation: Ecology and control of Cape ivy (May)"
So. Calif. Wetlands program
"Influence of substrate type and physico-chemical conditions on macroinvertebrate faunas and biotic indices of some lowland Waikato, New Zealand, streams. "
New Zealand Journal of Marine and Freshwater Research 32:1-19.
"Alien freshwater molluscs in Italy and their distribution."
In: Gherardi F (ed) Biological invaders in inland waters: profiles, distribution, and threats. Springer, Dordrecht, The Netherlands, pp 103-121
"Cascading trophic interactions and lake productivity. "
BioScience 35:634-639.
"Feeding relationships of galaxiids, bullies, eels and trout in a New Zealand river. "
Aust J Mar Freshwater, Res 26:299–316
"Fine sediment effects on feeding and growth in the invertebrate grazer Potamopyrgus antipodarum (Gastropoda, Hydrobiidae) and Deleatidium sp. (Ephemeroptera, Letpophlebiidae). "
Hydrobiologia 457(1–3):125–132.
"Introduced Freshwater Mollusks in the Middle Snake River. "
Proceedings of the Desert Fishes Council 23: 28-44.
"The Rapid Spread of the Freshwater Hydrobiid Snail Potamopyrgus antipodarum (Gray) in the Middle Snake River, Southern Idaho. "
Proceedings of the Desert Fishes Council 21: 173-182.
"Hydrobia (Potamopyrgus) jenkinsi (Smith) in Denmark illustrated by its ecology. "
Oikos, 1:252-281
"Biological control of aquatic pest snails by the black carp Mylopharyngodon piceus."
Biological Control 22:131-138.
"Passing the gut of juvenile flounder Platichthys flesus (L.) – differential survival of zoobenthic prey species."
Marine Biology 129: 11–14.
"Remote sensing assessment of widespread saltcedar (Tamarix spp.) infestation and biological control in Northwest Nevada,"
Unpublished master’s thesis, University of North Dakota, Grand Forks, North Dakota.
"Ecological interactions in the biological control of saltcedar (Tamarix spp.) in the United States: toward a new understanding."
N. R. Spencer (Ed.), Proceedings of the X international symposium on biological control of weeds (Vol. 20001, pp. 819-8731). Bozeman^ eMontana Montana: Montana State University.
"First results for control of saltcedar (Tamarix spp.) in the open field in the western United States"
XI International Symposium on Biological Control of Weeds (p. 505).
" Control of Tamarix in the western United States: implications for water salvage, wildlife use, and riparian restoration."
Environmental Management, 35(3), 231-246.
"Hybrid Tamarix widespread in US invasion and undetected in native Asian range."
Proceedings of the National Academy of Sciences, 99(17), 11256-11259.
"The Economic Value of Controlling an Invasive Shrub"
AMBIO: a Journal of the Human Environment, 29(8), 462-467.
"Water use by Tamarix ramosissima and associated phreatophytes in a Mojave Desert floodplain."
Ecological Applications, 888-898
"Invasive species and fire in California ecosystems"
Fremontia, 38(2), 38
"Developing the ecological basis for biological control of Cape ivy (Delairea odorata) in southern California"
CIPM Research Grants Final Report
" Efficacy & safety of potential biological control agent of the New Zealand mudsnail"
6th National New Zealand Mudsnail Conference, University of Idaho, Moscow, March (pp. 15-16)
"Ecology of the invasive New Zealand mud snail, Potamopyrgus antipodarum (Hydrobiidae), in a mediterranean-climate stream system"
Hydrobiologia, 746(1), 375-399
"Estimating carrying capacity of quagga mussels(Dreissena rostriformis bugensis) in a natural system: A case study of the Boulder Basin of Lake Mead, Nevada-Arizona"
Aquatic Invasions,6(2), 141-147
"Tumbleweed (Salsola, section Kali) species and speciation in California."
Biological invasions, 11(5), 1175-1187
"Weeds of California and other western states"
Vol. 3488. UCANR Publications,
"Nutrient enrichment and soil conditions drive productivity in the large-statured invasive grass Arundo donax."
Aquatic Botany 112: 16-22
"Exotic wildland weeds serve as reservoirs for a newly introduced cole crop pest, Bagrada hilaris (Hemiptera: Pentatomidae)"
"Augmentative biological control of Arundo donax"
Proceedings of the California Conference on Biological Control,pp. 141-144.
"Parasitic wasps to control Arundo donax in the watershed?"
Santa Clara River Watershed Times
"Characteristics of a successful estuarine invader: evidence of self-compatibility in native and non-native lineages of Phragmites australis. "
Marine Ecology Progress Series 337: 299-301.
"Herbivores of Arundo donax in California. "
Proceedings of the XIIth International Symposium on Biological Control of Weeds (Julien, M.H., R. Sforza, M.C. Bon, H.C. Evans, P.E. Hatcher, H.L. Hinz, and B.G. Rector, eds.), CABInternational Publishing, UK.
"Ecology and impacts of the large-statured invasive grasses Arundo donax and Phragmites australis in North America."
Invasive Plant Science and Management 3: 489-494.
"Genetics and Reproduction of Arundo donax L. and Phragmites australis (Cav.)."
Invasive Plant Science and Management 3: 495-505. 2010.
"Ecology and Impacts of the Large-Statured Invasive Grasses Arundo donax and Phragmites australis in North America."
Invasive Plant Science and Management 3: 489-494. 2010.
"Saltcedar removal, water salvage and wildlife habitat restoration along rivers in the southwestern U.S."
Environmental Management 35:231-246. 2005.
"Field assessment of the risk posed by Diorhabda elongata, a biocontrol agent for control of saltcedar (Tamarix spp.), to a non-target plant, Frankenia salina."
Biological Control 35:265-275. 2005.