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Articles 811 - 840 of 1122

Full-Text Articles in Ecology and Evolutionary Biology

Effect Of Wave Action On Movement In The Owl Limpet, Lottia Gigantea, In Santa Cruz, California, William G. Wright, James W. Nybakken Sep 2007

Effect Of Wave Action On Movement In The Owl Limpet, Lottia Gigantea, In Santa Cruz, California, William G. Wright, James W. Nybakken

Biology, Chemistry, and Environmental Sciences Faculty Articles and Research

The critical role of wave energy in the ecology of nearshore organisms is widely accepted, based primarily on biotic correlations over large scales of time and space. Much less is known about how large waves impact the behavioral ecology of individual organisms. Theoretical considerations and measurements of tenacity predict that intertidal gastropods should minimize the chances of dislodgement during periods of high waves by remaining stationary. We tested this prediction by observing a population of the owl limpet, Lottia gigantea G. B. Sowerby I, 1834, in a range of sea conditions. We found the proportion of the population moving during …


Shark Bay Prawn And Scallop Fisheries. Draft Review Report, Department Of Fisheries Western Australia Apr 2007

Shark Bay Prawn And Scallop Fisheries. Draft Review Report, Department Of Fisheries Western Australia

Fisheries Management Papers

In recent times, the Department of Fisheries has received representations from both sectors about the ongoing interaction of the fisheries and their respective management settings. As a result, a decision was made to comprehensively review the fisheries, taking into account matters of fishery sustainability and gear interactions, together with industry economics and market considerations. The review has also addressed research requirements to ensure an appropriate scientific basis for decision-making into the future.


Spring 2007, Nsu Oceanographic Center Apr 2007

Spring 2007, Nsu Oceanographic Center

Currents

No abstract provided.


Behavioral Enhancement Of Onshore Transport By Postlarval Caribbean Spiny Lobster (Panulirus Argus), Jason Seth Goldstein Apr 2007

Behavioral Enhancement Of Onshore Transport By Postlarval Caribbean Spiny Lobster (Panulirus Argus), Jason Seth Goldstein

Biological Sciences Theses & Dissertations

The onshore transport of meroplanktonic marine larvae or postlarvae is often complex, involving both active (i.e., behavior, swimming) and passive (i.e., oceanographic elements) transport mechanisms. Behaviors that modify passive transport have presumably evolved to situate larvae in settlement habitats where survival is enhanced. Active transport mechanisms have not been described for the puerulus postlarvae of any species of spiny lobster, despite their extraordinary mobility and known preference for specific settlement habitats. In the Florida Keys, for example, Caribbean spiny lobster (Panulirus argus) pueruli travel from oceanic waters into coastal areas where they settle within bushy, red macroalgae. I …


Glow Sticks As Effective Bait For Capturing Aquatic Amphibians In Funnel Traps, Kristine L. Grayson, Andrew W. Roe Jan 2007

Glow Sticks As Effective Bait For Capturing Aquatic Amphibians In Funnel Traps, Kristine L. Grayson, Andrew W. Roe

Biology Faculty Publications

Funnel traps of various designs have been used to capture adults and larvae of aquatic amphibians (e.g., Buech and Egeland 2002; Richter 1995). Most studies use unbaited funnel traps to capture amphibians while others have used shrimp or salmon eggs (Adams et al. 1997). Light traps and light sticks are commonly used in studies of fish, particularly larvae (Doherty 1987; Marchetti et al. 2004), but have not been widely used to capture amphibians. Glow sticks have been mentioned briefly in the literature as a means to increase capture rates of aquatic amphibians (Smith and Rettig 1996), but no studies have …


Winter 2007, Nsu Oceanographic Center Jan 2007

Winter 2007, Nsu Oceanographic Center

Currents

No abstract provided.


Phytoplankton Productivity In The Tidal Regions Of Four Chesapeake Bay (U.S.A.) Tributaries, Kneeland K. Nesius, Harold G. Marshall, Todd A. Egerton Jan 2007

Phytoplankton Productivity In The Tidal Regions Of Four Chesapeake Bay (U.S.A.) Tributaries, Kneeland K. Nesius, Harold G. Marshall, Todd A. Egerton

Virginia Journal of Science

Monthly and annual phytoplankton productivity rates of four Virginia tidal rivers were determined based on a 12-year monitoring study that included sampling stations from tidal freshwater, oligohaline, and mesohaline regions in these rivers. The mean monthly rates and range at these locations were 5.52 (Dec.) to 175.12 (Aug.) mg C m-3 h-1 for tidal freshwater, 12.21 (Jan.) to 149.90 (May) mg C m-3 h-1 in oligohaline regions, and 16.20 (Jan.) to 151.33 (May) mg C m-3 h-1 for the mesohaline. The estimated mean annual 12 year productivity for the different Virginia river sites in …


Identifying Economic Indicators For Ecosystem-Based Management:, Scott Norris Dec 2006

Identifying Economic Indicators For Ecosystem-Based Management:, Scott Norris

Publications

In America and across the world, the use of ecosystem-based management is

increasing. One of the primary challenges faced in using this method of management is the integration of economic data and environmental information. This report explores the use of a new tool for integrating economic data, ecosystem-based economic indicators, in a case study of Elkhorn Slough National Estuarine Research Reserve, an estuarine environment located in Monterey County, CA. Research and literature reviews were used to detail the economic activities of the area, in order to identify possible indicators,criteria for evaluating the indicators, and potential sources of indicator data. After …


Fall 2006, Nsu Oceanographic Center Oct 2006

Fall 2006, Nsu Oceanographic Center

Currents

No abstract provided.


Summer 2006, Nsu Oceanographic Center Aug 2006

Summer 2006, Nsu Oceanographic Center

Currents

No abstract provided.


Negative Effect Of Zebra Mussels On Foraging And Habitat Use By Lake Sturgeon (Acipenser Fulvescens), D. J. Mccabe, Mark Beekey, A. Mazloff, I. E. Marsden Jul 2006

Negative Effect Of Zebra Mussels On Foraging And Habitat Use By Lake Sturgeon (Acipenser Fulvescens), D. J. Mccabe, Mark Beekey, A. Mazloff, I. E. Marsden

Biology Faculty Publications

1. Lake sturgeon (Acipenser fulvescens) are threatened or endangered throughout much of their range. Juvenile sturgeon utilize sandy and silty habitats extensively during their growth. Invasive zebra mussels change the nature of sandy and silty habitats because they settle on and coat the habitat with the shells of living and dead individuals. The potential impacts of this increased habitat complexity on lake sturgeon is unknown. 2. Juvenile lake sturgeon habitat choice was assessed in laboratory experiments, and zebra mussel impact on the foraging success of juvenile lake sturgeon on three different prey species was measured. 3. Sturgeon foraging on chironomids …


Spring 2006, Nsu Oceanographic Center Apr 2006

Spring 2006, Nsu Oceanographic Center

Currents

No abstract provided.


Hydrodynamic Mediation Of Density-Dependent Growth And Adult-Juvenile Interactions Of A Spionid Polychaete, Brent T. Hentschel, Amy A. Larson Mar 2006

Hydrodynamic Mediation Of Density-Dependent Growth And Adult-Juvenile Interactions Of A Spionid Polychaete, Brent T. Hentschel, Amy A. Larson

Environmental Science and Management Faculty Publications and Presentations

Abstract We performed an experiment to test the effects of adult density on the growth rates of juvenile Polydora cornuta. Our experiment was performed in three identical counter-rotating annular flumes, each set to one of three different flow speeds for a period of 3 d (U 5mm = 3, 6, or 12 cm s-1 , where U5mm = velocity measured 5 mm above bottom). We implanted replicate vials containing a premeasured juvenile P. cornuta and either 0, 2, or 5 adults into a 2-cm layer of sediment in the flume. The relative growth rates of the juveniles …


Proceedings Of The Western Australian Dhufish Workshop 2004, Mark Pagano, Terry Fuller Jan 2006

Proceedings Of The Western Australian Dhufish Workshop 2004, Mark Pagano, Terry Fuller

Fisheries Occasional Publications

The Western Australian Dhufish Workshop 2004 was a joint project between Recfishwest and the Western Australian Department of Fisheries.

The workshop incorporated presentations from the Department of Fisheries, Recfishwest, the Western Australian Fishing Industry Council, Murdoch University and Challenger TAFE to showcase current knowledge relating to the iconic dhufish in Western Australia. The perspectives of a recreational fisher, a commercial wetline operator and a metropolitan charter boat operator were also presented.

Through information sharing and discussion the workshop provided a platform to better understand the fundamental issues that underpin current and future management arrangements for this valuable resource. Both commercial …


Fisheries Occasional Publication No. 33 - Department Of Fisheries Community Survey 2005, Tara Baharthah Jan 2006

Fisheries Occasional Publication No. 33 - Department Of Fisheries Community Survey 2005, Tara Baharthah

Fisheries Occasional Publications

A telephone survey of the Western Australian public was conducted to assess the level of success of programs implemented by the Department of Fisheries. The sample comprised of 700 interviews, 422 in the metropolitan area and 278 in regional areas throughout the State.

This community survey was used to determine the level of recall and awareness of the Department of Fisheries, the understanding and support of the community for the Department of Fisheries' management strategies and to examine key aspects of community participation in recreational fishing.

It is estimated that the overall participation rate for recreational fishing in Western Australia …


Winter 2006, Nsu Oceanographic Center Jan 2006

Winter 2006, Nsu Oceanographic Center

Currents

No abstract provided.


A Switch From Polyandry To Serial Monogamy: Results From A Three Year Tagging Study Of Horseshoe Crabs In Long Island Sound, Jennifer Mattei Ph.D., Paul Goodell, Christine Depierro, Meghann Burke Jan 2006

A Switch From Polyandry To Serial Monogamy: Results From A Three Year Tagging Study Of Horseshoe Crabs In Long Island Sound, Jennifer Mattei Ph.D., Paul Goodell, Christine Depierro, Meghann Burke

Biology Faculty Publications

Part of an ongoing population study of the North American Horseshoe Crab, Limulus polyphemus, in Long Island Sound was completed during the 2003 – 2005 spawning seasons at Milford Point, in Milford, CT. Horseshoe crabs range more widely throughout Long Island Sound than expected and exhibit weak site fidelity. Animals originally tagged in Milford were found as far west as Stamford and as far east as Clinton, CT. during the 3 year study. Out of 522 female horseshoe crabs tagged in 2004 only 4 came back to spawn again at Milford Pt. in 2005. The sex ratios of tagged and …


Fisheries Research Report No. 151 - Biology And Stock Assessment Of The Thickskin (Sandbar) Shark, Carcharhinus Plumbeus, In Western Australia And Further Refinement Of The Dusky Shark, Carcharhinus Obscurus, Stock Assessment., Rory Mcauley, R Lenanton, J. Chidlow, R. Allison, E. Heist Dec 2005

Fisheries Research Report No. 151 - Biology And Stock Assessment Of The Thickskin (Sandbar) Shark, Carcharhinus Plumbeus, In Western Australia And Further Refinement Of The Dusky Shark, Carcharhinus Obscurus, Stock Assessment., Rory Mcauley, R Lenanton, J. Chidlow, R. Allison, E. Heist

Fisheries Research Reports

Final FRDC Report - Project 2000/134

The purpose of this project was to collect the biological and fishery information necessary to conduct a stock assessment of the sandbar (known locally as ‘thickskin’) shark, Carcharhinus plumbeus and to improve and update the existing stock assessment for the dusky shark, Carcharhinus obscurus. Results from this project have already been used by the Western Australian Department of Fisheries to determine appropriate management arrangements for the State’s shark fisheries to ensure the sustainable exploitation of these species. Results have also assisted the WA target-shark fisheries in conducting Ecologically Sustainable Development (ESD) assessment in order …


Seagrass–Pathogen Interactions: ‘Pseudo-Induction’ Of Turtlegrass Phenolics Near Wasting Disease Lesions, Latina Steele, Melanie Caldwell, Anne Boettcher, Tom Arnold Nov 2005

Seagrass–Pathogen Interactions: ‘Pseudo-Induction’ Of Turtlegrass Phenolics Near Wasting Disease Lesions, Latina Steele, Melanie Caldwell, Anne Boettcher, Tom Arnold

Biology Faculty Publications

Marine protists of the genus Labyrinthula cause the seagrass wasting disease, which is associated with regional die-offs of eelgrass Zostera marina and also infects turtlegrass Thalassia testudinum . The ability of seagrasses to resist pathogen attack is determined by multiple factors, which are poorly understood. One factor hypothesized to influence seagrass disease resistance is the presence of (poly)phenolic natural products such as caffeic acid, which inhibits the growth of L. zosterae in in vitro laboratory bioassays. This hypothesis has been supported by reports of pathogen-induced phenolic accumulations in eelgrass Z. marina. To test the response of T. testudinum to …


Fisheries Occasional Publication No. 29 - Western Rock Lobster Fishery Effects Of Fishing On The Ecosystem - Scientific Reference Group (Chairman's Report No. 3, February 2005), Department Of Fisheries, Western Australia Nov 2005

Fisheries Occasional Publication No. 29 - Western Rock Lobster Fishery Effects Of Fishing On The Ecosystem - Scientific Reference Group (Chairman's Report No. 3, February 2005), Department Of Fisheries, Western Australia

Fisheries Occasional Publications

The Western Rock Lobster Effects of Fishing on the Ecosystem Scientific Reference Group (the SRG) was convened jointly by the Department of Fisheries and the WA Fishing Industry Council (WAFIC). The SRG met on Tuesday 1 February 2005 at the Fremantle Sailing Club, and this document is the official report from that meeting.


Integrated Fisheries Management. Draft Allocation Report. Western Rock Lobster Resource A Discussion Paper, Integrated Fisheries Allocation Advisory Committee Oct 2005

Integrated Fisheries Management. Draft Allocation Report. Western Rock Lobster Resource A Discussion Paper, Integrated Fisheries Allocation Advisory Committee

Fisheries Management Papers

In this report the Committee had given a number of draft recommendations regarding the allocations of the West Coast Rock Lobster Managed Fishery. This paper allows for the public to view these allocations and put forward their submissions.


Fisheries Occasional Publication No. 32 - Allocation Of The Western Australian Abalone Resource Between User Groups, Department Of Fisheries Western Australia Oct 2005

Fisheries Occasional Publication No. 32 - Allocation Of The Western Australian Abalone Resource Between User Groups, Department Of Fisheries Western Australia

Fisheries Occasional Publications

In this submission to the Integrated Fisheries Allocation Advisory Committee (IFAAC), the Department will outline what it believes are the most practical and cost effective ways of managing a system for allocating the abalone resource between the commercial, customary and recreational sectors.

In preparing this submission, it has been noted that because of the limited data on recreational catch outside of the metropolitan area, the Sustainable Harvest Limit (SHL) set for the fishery relates only to the area that is equivalent to Area 7 of the commercial fishery. Further, it is acknowledged that the Minister has approved that proportional catch …


Fall 2005, Nsu Oceanographic Center Oct 2005

Fall 2005, Nsu Oceanographic Center

Currents

No abstract provided.


Online Dictionary Of Invertebrate Zoology: F, Mary Ann Basinger Maggenti, Armand R. Maggenti, Scott L. Gardner Sep 2005

Online Dictionary Of Invertebrate Zoology: F, Mary Ann Basinger Maggenti, Armand R. Maggenti, Scott L. Gardner

Armand R. Maggenti Online Dictionary of Invertebrate Zoology

face facet facette facetted facial facialium facies facio-orbital factor facultative faeces Fahrenholz's falcate falces falciform falciger falcis falculate falsadentes false falx famulus fan fang farctate farinaceous fascia fasciate fascicle fasciculus fasciole fascio-maculata fascio-punctate fastening fastigiate fastigium fat fate fauces fauna faunal faveolate feces fecula fecundate fecundity feedback feeder feeding feeler feet felt female femoro-alary femorogenu femorotibial femur fenestra fenestrate fenestration fenestrella fenestrule fente feral ferment fermentation ferreous ferruginous ferrule fertile fertility fertilization fertilizin festivus festoon festoons fetid fiber fibril fibrillar fibrin fibrinogen fibrocyte fibroin fibroplasm fibrous fibula fide filament filamentary filaria filariform filate filator file filial filiation filibranch filicornia filiform …


Online Dictionary Of Invertebrate Zoology: B, Mary Ann Basinger Maggenti, Armand R. Maggenti, Scott L. Gardner Sep 2005

Online Dictionary Of Invertebrate Zoology: B, Mary Ann Basinger Maggenti, Armand R. Maggenti, Scott L. Gardner

Armand R. Maggenti Online Dictionary of Invertebrate Zoology

baccate bacillary bacilliform back-cross back-mutation bacteremia bacteriophagous baculiform baculite baenomere baenopoda baenosome Baer's bailer balanced balancers balanoid balantin balantine Balbiani Balbiani's bald Baldwin ballonets ballooning band barb barbate, barbatus barbula bark baroceptor, baroreceptor barotropism barrier basad basal basalar basalia basalis base basement bases basicarnal basicerite basiconic basicosta basicostal basicoxite basifemoral basifemur basilaire basilar basilateral basilemma basimandibula basimaxilla basimetrical basinym basioccludent basiophthalmite basiperiphallus basipharynx basipod basipodite basiproboscis basipulvilli basirostral basis basiscopic basiscutal basisternum basistylus basitarsal basitarsus basitergal basitibial basitrich basitrichous basivalvula basket basopinacocytes batatiform Batesian bathmis bathyal bathylimnetic bathymetric bathypelagic battery batumen bave B-chromosome, bdelloid bead beaded beak beaked bean beard …


Online Dictionary Of Invertebrate Zoology: A, Mary Ann Basinger Maggenti, Armand R. Maggenti, Scott L. Gardner Sep 2005

Online Dictionary Of Invertebrate Zoology: A, Mary Ann Basinger Maggenti, Armand R. Maggenti, Scott L. Gardner

Armand R. Maggenti Online Dictionary of Invertebrate Zoology

abactinal abambulacral A-band abapertural abapical abaxial abbreviate abcauline abdomen abduct aberrant abient abiocoen abiogenesis abiology abiotic abjugal ablation aboral aboriginal abortion abranchiate abreptor abscission absorption abterminal abullate abyssal abyssobenthos abyssopelagic acanthaceous acanthella acanthocephalans acanthocyst acanthodion acanthodrilin acanthoparia acanthophore acanthophorites acanthopod acanthosphenote acanthostegous acanthostyle acanthozooid acariasis Acarina acarinarium acarocecidium acarology acarophily acaryote acaudal acclimation acclivous accretion acelomate acentric Acephala acephalocyst acephalous acerata acervate acescence acetabulum achaetous achlamydate achroacyte achroglobin achroic achromasia achromatic A-chromosome achroous acia acicle aciculiform acidic acidobiontic acidophilic acidophobic acidotheca aciduric acies aciform acinacicate acinaciform acinarious aciniform acinose aclid acline aclitellate acme Acoelomata acoelous acone acontioids acraein Acraspeda acrembolic …


Online Dictionary Of Invertebrate Zoology: C, Mary Ann Basinger Maggenti, Armand R. Maggenti, Scott L. Gardner Sep 2005

Online Dictionary Of Invertebrate Zoology: C, Mary Ann Basinger Maggenti, Armand R. Maggenti, Scott L. Gardner

Armand R. Maggenti Online Dictionary of Invertebrate Zoology

cadavericole caddis cadre caducous caecum Caenogaea caespitose Cainogea caisson calabar calamistrum calamus calathiform Calcarea calces calciferous calcipala calcospherites calice calicle calicoblastic caliology callous callow callus calobiosis calomus caloric calorigenic calorimetry calotte caltrop calva calx calyciform calycine calycle calyoptis calypto calyptra Calyptratae calyptron calyx camarodont camera camerostome campaniform campestral campi campodeiform campus Canadian canal canalaria canali cancellate cancrisocial cancroid cane canella canines canities cannibalism cannula canthariasis canthus capillary capillitium capita caprification capsule capuliform caput capylus caraboid carapace carbohydrates carcinoid carcinology cardate cardiac cardines cardinosternal cardinostipital cardioblasts cardiocoelomic cardo cardosubmental caria caridean caridoid carina carious carmine carnivore carnose Carolinian carolites carotene carotin …


Online Dictionary Of Invertebrate Zoology: D, Mary Ann Basinger Maggenti, Armand R. Maggenti, Scott L. Gardner Sep 2005

Online Dictionary Of Invertebrate Zoology: D, Mary Ann Basinger Maggenti, Armand R. Maggenti, Scott L. Gardner

Armand R. Maggenti Online Dictionary of Invertebrate Zoology

dacryoid dactyl dactylethra dactylognathite dactyloid dactylopodite dactylopore dactylozooid dactylus dance daphnid dart dart sac Darwinism dauer larvae dauermodification daughter daughter cells daughter cyst day-eye De Vriesianism dealate dealation death deaurate decacanth decalcification decamerous decapodid larvae decathecal decephalic deciduous deck declinate declivitous declivous deconjugation decorticate decumbent decurved decussated dedetermination dedifferentiation defaunate defecate deferent deficiency definition definitive host deflected deflected front deflexed defoliator deformed degenerate degenerate code degeneration dehiscence dehiscent deirids delamination delimitation, diagnosis, differential diagnosis delthyrial delthyrium deltidial deltidium deltoid demanian demarcation deme demersal demibranchs demiplate demiprovinculum Demospongiae denatant dendriform dendrite dendritic thickening dendrobranch dendrogram dendroid dendron dendrophagous dendrophilous denematize denizen …


Online Dictionary Of Invertebrate Zoology: E, Mary Ann Basinger Maggenti, Armand R. Maggenti, Scott L. Gardner Sep 2005

Online Dictionary Of Invertebrate Zoology: E, Mary Ann Basinger Maggenti, Armand R. Maggenti, Scott L. Gardner

Armand R. Maggenti Online Dictionary of Invertebrate Zoology

ear eave eaves eburnean ecalcarate ecarinate ecaudate ecbolic eccentric ecdemic ecdysial ecdysis ecdysone ecdysotrophic ecesis echinate echinating Echinodermata echinoderms echinopaedium echinostome echiopluteus Echiura echiurans ecitophile ecium eclectic eclipsed eclosion ecoclimate ecocline ecogeographical ecological ecology ecomorph ecomorphic economic ecoparasite ecophene ecophenotype eco¬phenotypic ecosite ecospecies ecosystem ecotone ecotype ecsoma ectad ectadenia ectal ectally ectoblast ectochone ectocochleate ectocommensal ectocrine ectocyst ectoderm ectodermal ectognathous ectohormones ectolecithal ectomere ectomesenchyme ectomesoderm ectoneural ectooecium ectoparasite ectopara¬sitic ectophagous ectophallus ectopic ectoplasm ectoproct Ectoprocta ectoprocts ectoptygma ectosomal ectosome ectospermalege ectostracum ectosymbion ectosymbi¬ont ectothermal ectotrophous ectozoon ecumenical edaphic edaphic factors edaphon edeagus edentate edentulous edge editum edoeagus effect effector efferent …


Online Dictionary Of Invertebrate Zoology: G, Mary Ann Basinger Maggenti, Armand R. Maggenti, Scott L. Gardner Sep 2005

Online Dictionary Of Invertebrate Zoology: G, Mary Ann Basinger Maggenti, Armand R. Maggenti, Scott L. Gardner

Armand R. Maggenti Online Dictionary of Invertebrate Zoology

galea gallery gallicola gallicolae gallicolous galliphagous galvanotaxis galvanotropism gametangiogamy gametangium gamete gametocyte gametogamy gametogenesis gametogenetic gametogeny gametogonium gametogony gametotoky gamma gamobium gamodeme gamogenesis gamogonic gamogony gamones gamophase ganglia gangliate ganglion ganglionic gap gaper gaping gas gaseous gaster gasterostome gasterotheca gastraea gastraeum gastral gastralia gastric gastrilegous gastrocoele gastrocoelus gastrodermis gastro-ileal gastrolith gastroorbital Gastropoda gastropods gastropores Gastrotricha gastrotrichs gastrovascular gastrozooid gastrula gastrular gathering Gause's gelatigenous gelatin gelatine gelatinous geminate gemma gemmate gemmation gemmipara gemmipares gemmule gemmulostasin gena genacerore genae genal genaponta genatasinus gene genera generalized generation generative generitype generotype Gene's genesiology genetic genetics genic genicular geniculate genital genitalia genitointestinal genocline genocopy genodeme …