Rozprawy doktorskie na temat „Winter habitat”
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Catton, Robert Bruce. "Winter use and habitat selection of moose in openings and adjacent upland forested habitats". Thesis, University of British Columbia, 2007. http://hdl.handle.net/2429/31919.
Pełny tekst źródłaForestry, Faculty of
Graduate
askelund, sara. "Problems and improvements in reindeer’s habitat". Thesis, Mittuniversitetet, Avdelningen för ekoteknik och hållbart byggande, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-21901.
Pełny tekst źródłaHayhow, Daniel Beck. "Consequences of winter habitat use in a migratory shorebird". Thesis, University of East Anglia, 2009. https://ueaeprints.uea.ac.uk/10607/.
Pełny tekst źródłaBaigas, Phillip E. "Winter habitat selection, winter diet, and seasonal distribution mapping of moose (Alces alces shirasi) in southeastern Wyoming". Laramie, Wyo. : University of Wyoming, 2008. http://proquest.umi.com/pqdweb?did=1797714121&sid=1&Fmt=2&clientId=18949&RQT=309&VName=PQD.
Pełny tekst źródłaSabine, Dwayne L. "Migration behaviour and winter habitat use of white-tailed deer under moderate winter climate conditions". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/MQ54644.pdf.
Pełny tekst źródłaGaudette, Mary Theresa. "Modeling winter habitat for white-tailed deer in southwestern Virginia". Thesis, Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/77898.
Pełny tekst źródłaMaster of Science
Maletzke, Benjamin Thomas. "Winter habitat selection of lynx (Lynx canadensis) in northern Washington". Online access for everyone, 2004. http://www.dissertations.wsu.edu/Thesis/Summer2004/b%5Fmaletzke%5F081704.pdf.
Pełny tekst źródłaEamer, Joan. "Winter habitat for dabbling ducks on southeastern Vancouver Island, British Columbia". Thesis, University of British Columbia, 1985. http://hdl.handle.net/2429/24634.
Pełny tekst źródłaScience, Faculty of
Zoology, Department of
Graduate
Stepaniuk, Darin W. "Planning for woodland caribou winter habitat needs in west-central Alberta". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/mq22677.pdf.
Pełny tekst źródłaDunfey-Ball, Kyle Robert. "Moose Density, Habitat, and Winter Tick Epizootics in a Changing Climate". Thesis, University of New Hampshire, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10262491.
Pełny tekst źródłaUnregulated hunting and habitat loss led to a near extirpation of moose (Alces alces) in New Hampshire in the 1800s. After state protection in 1901, the estimated population increased slowly to ∼500 moose in 1977, then increased rapidly in the next 2 decades to ∼7500 following an increase in browse habitat created by spruce budworm (Choristoneura fumiferana ) and related timber salvage operations, and then halved from 1998-2016 despite highly available optimal habitat. The declining population was partially related to the specific management objective to reduce moose-vehicle collisions, and a possible change in deer hunter and moose behavior that influence population estimates. But given the substantial decline in productivity and condition of cows, and frequent episodes of high calf mortality in April, the primary cause of decline was presumed to be is an increase in winter tick abundance.
This study examined the relationships among moose density, optimal habitat, weather/ground conditions, winter tick abundance, and natal dispersal in northern New England. Comparing movement data from the previous (2002-2006) and current (2014-2016) productivity studies in New Hampshire and Maine, the distance of natal dispersal, home and core range size, and home and core range overlap did not significantly (P > 0.05) change despite an increase in optimal habitat and a decrease in moose density.
Geographic changes in tick abundance were related to an interaction between moose density, and the onset and length of winter. Annual changes in tick abundance in northern New Hampshire are driven by desiccating late summer conditions, as well as the length of the fall questing season. Lower precipitation (6.4 cm) and higher minimum temperatures (9.8 °C) specifically concentrated during larval quiescence from mid-August through mid-September reduces winter tick abundance and the likelihood of an epizootic event. The onset of winter, defined by the first snowfall event (> 2.54 cm), influenced the length of the questing season relative to the date of long-term first snowfall event (14 November). In the epizootic region, average winter tick abundance on moose harvested in mid-October indicated a threshold of 36.9 ticks, above which an epizootic is like to occur unless an early snowfall event shortened the fall questing season. Optimal habitat created by forest harvesting was produced at an annual rate of 1.3% (1999-2011) and is not considered limiting in northern New Hampshire, but likely concentrates moose density locally (∼4 moose/km2) facilitating the exchange of winter ticks. In northern New Hampshire, snow cover late into April did not reduce tick abundance in the following year and cold temperatures (< 17 °C) that induced replete adult female mortality are extremely rare in April.
Given a continuation of warming climate and conservative moose harvest weather conditions and high local moose densities will continue to favor the life cycle of winter ticks, increasing the frequency of winter tick epizootics and shift the epizootic region slowly northward. Conversely, temporary reduction of moose density may substantially reduce parasite abundance and support a healthier and more productive moose population.
McNay, Robert Scott. "Forest crowns, snow interception and management of black-tailed deer winter habitat". Thesis, University of British Columbia, 1985. http://hdl.handle.net/2429/24855.
Pełny tekst źródłaForestry, Faculty of
Graduate
Waterhouse, F. M. Louise. "Habitat of winter wrens in riparian and upland areas of coastal forests". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ37660.pdf.
Pełny tekst źródłaHadley, Adam. "Winter habitat use by Boreal Chickadee flocks within a managed forest landscape". Thesis, Université Laval, 2006. http://www.theses.ulaval.ca/2006/23847/23847.pdf.
Pełny tekst źródłaResident bird species inhabiting northern latitudes are considered to be the species most exposed to the effects of habitat loss and fragmentation of boreal forests. Despite the fact that their population dynamics appear to be strongly determined by events occurring during the non-breeding season, we have little knowledge of the winter ecology of boreal birds. My objective was to determine how increasing edge densities and reducing the proportion of mature boreal forest will affect a resident bird species. I recorded movements of 85 unmarked and seven colour banded winter flocks of the little-known Boreal Chickadee (Poecile hudsonica), in a 66 km2 boreal forest harvested for timber near Quebec City, Quebec, Canada. From January-March (2004 and 2005), I followed flocks on snowshoes and recorded their paths in real time using a handheld GPS receiver. Using marked individuals, I found winter Boreal Chickadee flocks included an average of 4 individuals, occupied a mean winter home range of 14.7 ha and showed stable membership. Based on 74 km of flock movements, Boreal Chickadees strongly preferred mature forest (>7 m in height), used regenerating forest (4-7 m) to a lesser extent and avoided younger stands (<4 m) and open areas. Chickadee flocks showed no response to forest edges when using mature forest stands. However, inside regenerating forest, flocks were significantly closer to both open edges (41 ± 6 m) and mature forest boundaries (11 ± 2 m) than would be expected from random use of the habitat. Boreal Chickadee flocks did not avoid exposed edges during harsh weather conditions. In fact, on colder days, they were found disproportionately more often along edges between mature and regenerating stands. Increasing edge densities, resulting from clearcutting in boreal forest, does not necessarily reduce the winter suitability of remaining forest patches, even under inclement weather. However, I conclude that forest harvesting will result in a reduction of optimal wintering habitat for this species.
Zerda, Lerner Susana de la. "Winter habitat use by Blackburnian Warblers (Dendroica fusca) in Los Amarillos, Colombia". Thesis, This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-01102009-063245/.
Pełny tekst źródłaZimmer, Jeremy Paul. "Winter habitat use and diet of snowshoe hares in the Gardiner, Montana area". Thesis, Connect to this title online, 2004. http://bibpurl.oclc.org/web/9201.
Pełny tekst źródłaDrew, Gary S. "Winter Habitat Selection by American Marten (Martes americana) in Newfoundland: Why Old Growth?" DigitalCommons@USU, 1995. https://digitalcommons.usu.edu/etd/6518.
Pełny tekst źródłaEnglund, Ronald A. "Winter Habitat Selection Of Cutthroat Trout (Oncorhynchus clarki) In A Large Regulated River". DigitalCommons@USU, 1991. https://digitalcommons.usu.edu/etd/6467.
Pełny tekst źródłaHenry, Francis Drew. "Elk winter habitat selection and movements in the Buffalo Valley of Wyoming with respect to habitat treatments and supplemental feeding". [Ames, Iowa : Iowa State University], 2009. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1468090.
Pełny tekst źródłaMäki-Petäys, A. (Aki). "Habitat requirements of juvenile salmonids:towards ecologically-based fisheries management in boreal streams". Doctoral thesis, Oulun yliopisto, 1999. http://urn.fi/urn:isbn:9514252209.
Pełny tekst źródłaJones, Paul Francis. "Winter habitat selection by elk (Cervus elaphus) in the lower foothills of west-central Alberta /". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/mq22609.pdf.
Pełny tekst źródłaRobichaux, Rex Michael. "Correlating climate with late-winter wetland habitat in the Rainwater Basin, south-central Nebraska". Thesis, Manhattan, Kan. : Kansas State University, 2010. http://hdl.handle.net/2097/4116.
Pełny tekst źródłaCarter, Brian Patrick. "Winter habitat use by trumpeter swans (Cygnus buccinator) in the Fraser Delta, British Columbia". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq24102.pdf.
Pełny tekst źródłaCotton, C. Laine. "Winter habitat use and activity patterns of northern flying squirrels in sub-boreal forests". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/MQ62469.pdf.
Pełny tekst źródłaCollins, Katherine Lucy. "The effect of habitat creation for predatory arthropods on aphid populations in winter wheat". Thesis, Open University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.298183.
Pełny tekst źródłaPearl, Benjamin G. "Factors affecting Western Snowy Plover winter foraging habitat selection in San Francisco Bay ponds". Thesis, San Jose State University, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10011661.
Pełny tekst źródłaWithin the San Francisco Bay Area, Western Snowy Plovers (Alexandrinus nivosus nivosus) nest and winter in former salt ponds. They face a number of threats including human-altered habitats and high levels of predation by mesopredators and raptors. The South Bay Salt Pond Restoration Project (the Project) is a large wetland restoration project that will change and potentially eliminate Snowy Plover habitat in the region. As the Project returns salt ponds to tidal wetland, there will be less of the dry, flat, and sparsely vegetated habitat that plovers need for breeding and wintering habitat. A greater understanding of the specific microhabitat requirements for high quality plover foraging sites is needed. In particular, it is important for managers to understand what constitutes high quality wintering habitat for Snowy Plover numbers. This study assessed the characteristics at sites where Snowy Plovers winter in former salt ponds, especially habitat traits related to promoting plover foraging. Analysis of plover foraging habitat showed that plovers were associated with increasing plant height, water cover, and distance from perches and levees. This information is designed to inform restoration and management decisions in efforts to meet Snowy Plover recovery goals in the South San Francisco Bay.
Baker, Bruce Garry. "Winter habitat selection and use by moose in the West-Chilcotin region of British Columbia". Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/28890.
Pełny tekst źródłaLand and Food Systems, Faculty of
Graduate
Cichowski, Deborah B. "Seasonal movements, habitat use, and winter feeding ecology of woodland caribou in West-Central British Columbia". Thesis, University of British Columbia, 1989. http://hdl.handle.net/2429/28941.
Pełny tekst źródłaForestry, Faculty of
Graduate
Martinez, Isabel M. "Winter habitat use by woodland caribou (Rangifer tarandus caribou) in the Owl Lake region of Manitoba". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ41662.pdf.
Pełny tekst źródłaBergman, Eric James. "Evaluation of winter range habitat treatments on overwinter survival, density, and body condition of mule deer". Thesis, Colorado State University, 2013. http://pqdtopen.proquest.com/#viewpdf?dispub=3593359.
Pełny tekst źródłaThe management and research of mule deer (Odocoileus hemionus ) in Colorado and throughout the Rocky Mountain West is an exciting arena for wildlife professionals as the prevailing view among biologists, managers, researchers, hunters, wildlife viewers and general wildlife enthusiasts is that they would like to see more deer on the landscape.
In Chapter 1, I used 4 years of data and 8 study units to evaluate the effect of habitat management on the overwinter survival of mule deer fawns. Habitat management consisted of different levels of habitat management efforts: reference study units received no habitat management, traditional habitat treatment units received mechanical disturbance and advanced habitat treatment units were comprised of both mechanical disturbances as well as follow-up chemical control of weeds and reseeding with desirable browse species. Mule deer fawns that overwintered on areas that received both a traditional treatment as well as follow-up treatments experienced an improvement in survival ( Ŝ = 0.768, SE = 0.085) over deer on winter range without habitat treatments (Ŝ = 0.675, SE = 0.112). When partitioned into different levels of treatment intensity, mule deer inhabiting winter range that advanced treatments (i.e., both traditional treatments and follow-up treatments) experienced higher survival (Ŝ = 0.768, SE = 0.0849) than deer on areas that experienced only traditional treatments (Ŝ = 0.687, SE = 0.108), which in turn experienced higher survival than in areas that had received no treatments (Ŝ = 0.669, SE = 0.113).
In my second chapter, I relied on recent advancements in abundance estimation methodologies to determine if habitat management strategies increased mule deer density. In order to estimate mule deer density, I conducted annual helicopter mark-resight surveys across the 8 study units that were utilized in chapter 1. Resighting probabilities (range 0.070–0.567) were best modeled as an interactive function of study unit and year, although sampling method was also important. A consistent pattern of higher deer density on advanced treatment study units was not observed despite its being the primary hypothesis of the study. Total deer densities did vary by latitude with 20–84 deer/km² in southern study units and 4–12 deer/km² in northern study units. I conclude that if population density is to be used as a population response variable, it only be used in tandem with other, possibly more sensitive parameters, such as overwinter survival of mule deer fawns.
In my third chapter, I investigate the relationships between habitat, body condition, and life history characteristics. With the increased availability of portable ultrasound machines and the refinement of hormonal assays, assessment of ungulate body condition has become a more accessible monitoring strategy. I employed body condition scoring, estimation of % ingesta-free body fat (%IFBF) and assessment of thyroid hormones (FT4 and FT3) as metrics to determine if landscape-level habitat manipulation affected body condition of adult (≥1.5 years old) female mule deer.
For my final chapter, I assimilate the knowledge and information gained from my first 3 chapters with the existing knowledge base surrounding mule deer population dynamics and population limitation within Colorado. Such reviews have been conducted periodically (e.g., 1960s and late 1990s) and have been precipitated by mule deer population declines. A dramatic decline in mule deer populations was detected during the final years of my field research but the underlying cause of this decline is yet to be determined. (Abstract shortened by UMI.)
Korosy, Marianne. "Estimated diets, diet overlap, and winter habitat associations of four grassland sparrows in Florida dry prairie". Doctoral diss., University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/6305.
Pełny tekst źródłaPh.D.
Doctorate
Biology
Sciences
Conservation Biology; Ecology and Organismal Biology Track
Stackhouse, Jeffery Wilson. "Ring-Necked Pheasant: Evaluation of Winter Survival, Habitat Use, and Current Research Methods of Nest Searching". Thesis, North Dakota State University, 2013. https://hdl.handle.net/10365/26643.
Pełny tekst źródłaLandry-Cuerrier, Manuelle. "From habitat to energetics : eastern chipmunk burrow microhabitat selection and fine-scale variation in winter torpor expression". Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=112530.
Pełny tekst źródłaStierhoff, Kevin L. "Ecophysiological impacts of hypoxia on nursery habitat quality for juvenile estuary-dependent fishes a comparison of laboratory and field growth rates /". Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file 1.93 Mb., 129 p, 2006. http://wwwlib.umi.com/dissertations/fullcit/3200550.
Pełny tekst źródłaLundquist, Kristin. "Habitat use by waterbirds in wetlands during winter and spring – a study of five wetlands in Halmstad, Sweden". Thesis, Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-37641.
Pełny tekst źródłaUnder månaderna december-april 2016/2017 inventerades fem våtmarker nära Halmstad för att få information angående hur fåglar använder dessa våtmarker under vintermånaderna och våren samt undersöktes fyra åsträckor av Trönningeån med avseende på hur dessa används av vissa vadare vintertid. En av våtmarkerna undersöktes angående huruvida datumen för tillträdesförbud stämde överens med fåglarnas häckningstider och dessutom undersöktes rekreationsvärdet för två våtmarker. Totalt använde 37 olika arter våtmarkerna under perioden december-april och de användes huvudsakligen av samma arter med vissa undantag. Det fanns även vissa skillnader i antalet individer samt variationer i artsammansättning beroende på våtmark. Våtmarkerna verkade ha betydelse för ett antal övervintrande fåglar då den kustnära våtmarken Trönninge ängar besöktes av åtminstone 12 arter och 190 individer. Inlandsvåtmarken Stjärnarps norra våtmark besöktes av 6 arter och ett oväntat stort antal på 153 individer. Särskilt våtmarkerna närmast kusten som dessutom är fågelvåtmarker (Trönninge ängar och Larssons våtmark) spelade en viktig roll för flyttfåglar då de användes av totalt 1531 respektive 1314 individer under perioden mars-april. Tiderna för tillträdesförbud gällande Trönninge ängar verkade vara aktuella ännu i relation till när fåglar i våtmarken uppvisar tecken på häckning. Det uträknade rekreationsvärdet visade sig vara nästan tre gånger högre för Trönninge ängar än för Larssons våtmark. Undersökningen angående hur och när olika fågelarter använder två av våtmarkerna visade på att det finns vissa skillnader mellan hur och när olika fågelarter utnyttjar dem.
Peck, Riley D. "Seasonal Habitat Selection by Greater Sage Grouse in Strawberry Valley Utah". BYU ScholarsArchive, 2011. https://scholarsarchive.byu.edu/etd/3180.
Pełny tekst źródłaBurkholder, Braden Osborn. "Seasonal distribution, winter habitat selection and willow utilization patterns of the Shiras moose on the Mount Haggin Wildlife Management Area". Thesis, Montana State University, 2012. http://etd.lib.montana.edu/etd/2012/burkholder/BurkholderB0512.pdf.
Pełny tekst źródłaThacker, Eric T. "Greater Sage-Grouse Seasonal Ecology and Responses to Habitat Manipulations in Northern, Utah". DigitalCommons@USU, 2010. https://digitalcommons.usu.edu/etd/707.
Pełny tekst źródłaArrignon, Florent Balent Gérard. "HOVER-WINTER un modèle multi-agent pour simuler la dynamique hivernale d'un insecte auxiliaire des cultures (Episyrphus balteatus, Diptera: Syrphidea) dans un paysage hétérogène /". Toulouse : INP Toulouse, 2007. http://ethesis.inp-toulouse.fr/archive/00000444.
Pełny tekst źródłaBarton, Sheri L. "The influence of habitat features on selection and use of a winter refuge by manatees (Trichechus manatus latirostris) in Charlotte Harbor, FL". [Tampa, Fla] : University of South Florida, 2006. http://purl.fcla.edu/usf/dc/et/SFE0001614.
Pełny tekst źródłaBarton, Sheri L. "The Influence of Habitat Features on Selection and Use of a Winter Refuge by Manatees (Trichechus manatus latirostris) in Charlotte Harbor, Florida". Scholar Commons, 2006. http://scholarcommons.usf.edu/etd/3835.
Pełny tekst źródłaLindmark, Burk Sofia. "The effect of forest structure and vegetation on reindeer habitat choices : A study in the winter grazing grounds of Vilhelmina norra reindeer herding district, Västerbotten, Sweden". Thesis, Umeå universitet, Institutionen för ekologi, miljö och geovetenskap, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-89790.
Pełny tekst źródłaNickley, Benjamin. "Red-headed Woodpecker Full Annual Cycle Ecology at Fort A.P. Hill, Virginia". VCU Scholars Compass, 2018. https://scholarscompass.vcu.edu/etd/5665.
Pełny tekst źródłaKnapik, Randall T. "Survival and Covey Density of Northern Bobwhites in Relation to Habitat Characteristics and Usable Space in Ohio". The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1430738814.
Pełny tekst źródłaArrignon, Florent. "Hover-winter : un modèle multi-agent pour simuler la dynamique hivernale d'un insecte auxiliaire des cultures (Episyrphus balteatus, Diptera: Syrphidea) dans un paysage hétérogène". Phd thesis, Toulouse, INPT, 2006. https://hal.science/tel-04574792.
Pełny tekst źródłaDavey, Cynthia Jane. "Winter track patterns of snowshoe hare (Lepus americanus), red fox (Vulpes fulva) and lynx (Lynx canadensis) related to distance from corridors and habitat type near Cochrane, northeastern Ontario, Canada". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq26112.pdf.
Pełny tekst źródłaSaunders, Debra, i debbie saunders@anu edu au. "Ecology and conservation of the swift parrot - an endangered austral migrant". The Australian National University. College of Science, 2008. http://thesis.anu.edu.au./public/adt-ANU20081010.161656.
Pełny tekst źródłaHorstkotte, Tim. "Contested Landscapes : social-ecological interactions between forestry and reindeer husbandry". Doctoral thesis, Umeå universitet, Institutionen för ekologi, miljö och geovetenskap, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-66386.
Pełny tekst źródłaWinslow, Christopher J. "Competitive interactions between young-of-the-year smallmouth bass (Micropterus Dolomieu) and round goby (Apollonia melanostomus)". Bowling Green State University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1288625667.
Pełny tekst źródłaKoljonen, S. (Saija). "Ecological impacts of in-stream restoration in salmonid rivers:the role of enhanced structural complexity". Doctoral thesis, Oulun yliopisto, 2011. http://urn.fi/urn:isbn:9789514295690.
Pełny tekst źródłaTiivistelmä Uiton jälkeisten kunnostustoimenpiteiden määrä Suomessa on ollut huomattava, mutta vaikutusten arviointi, pelkästään kalastonkin kannalta, on jäänyt vähäiselle huomiolle. Tässä työssä selvitettiin kunnostusten merkitystä lohen ja taimenen poikasvaiheille, huomioiden etenkin pohjan rakenteellisen monimuotoisuuden vaikutus. Työssä selvitettiin myös kunnostusten vaikutuksia lehtikarikkeen pidätyskykyyn, joka on erityisesti latvapurojen ekosysteemien tärkeimpiä perustoimintoja. Lohikalojen talviekologinen tutkimus on viime aikoihin saakka ollut vähäistä, vaikka talviolosuhteiden uskotaan rajoittavan pohjoisten virtavesien eliöstön elinmahdollisuuksia. Kokeellisessa työssä rännimäisissä uomissa talvehtiminen aiheutti taimenenpoikasille tilapäisen painon alenemisen ja nopean kompensaatiokasvun loppukeväällä. Kompensaatiokasvu voi vaikuttaa negatiivisesti koko kalan eliniän, joten kunnostusten tuoma hyöty sopivien suojapaikkojen lisääntymisenä voi edesauttaa lohikalojen pitkäaikaista menestymistä. Kiiminkijoella lohenpoikasten tiheydet eivät muuttuneet kunnostuksen myötä ja vuosien välinen vaihtelu oli kuuden vuoden seurantajaksolla huomattavan suurta. Elinympäristömallinnuksen perusteella soveltuvan elinympäristön lisäys ei ollut merkittävää, koska etenkin talviaikaisten alueiden puute jäi huomattavaksi. Suurin osa soveltuvasta elinympäristöstä sijaitsi joen reuna-alueilla, joten kunnostusvaikutus joen keskiosaan jäi odotettua pienemmäksi. Uittoperkaus on voinut johtaa latvavesien ekosysteemien köyhtymiseen maalta tulevan orgaanisen aineksen pidättymiskyvyn vähentyessä. Kokeellisen työn perusteella kuitenkin nykypäivän tilanne vuosikymmeniä uiton loppumisen jälkeen osoittautui lähes yhtä pidättäväksi kuin nykyisin käytetyt kunnostusrakenteet (kivi tai puu). Kunnostusrakenteeseen tulisi lisätä huomattava määrä puuta, jotta lehtikarike pidättyisi korkeallakin virtaamatasolla. Tulosten perusteella elinympäristöjen muuttaminen monimuotoisemmiksi ei takaa kunnostustoimien onnistumista, sillä etenkin kalapopulaatioita rajoittavat yleensä useat tekijät. Jos kuitenkin elinympäristö on populaatiota rajoittava resurssi ja sitä pystytään lisäämään (kuten talviaikaiset suojapaikat), voidaan kunnostuksella saada näkyviä tuloksia. On ilmeistä, että kunnostustoimien tulisi olla nykyistä kattavampia ja paremmin suunnattuja rajoittaviin tekijöihin, jotta tulokset näkyisivät
Johnson, Levi E. "Understanding the Winter Habitats of Ohio’s Hibernating Bats". Ohio University / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1627304203570841.
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