Index Catalog // ScholarsArchive@OSU

Phylogeny and zoogeography of glyptocephalines (Pisces: Pleuronectidae)

Creator:: Chiu, Tai-sheng
Abstract:: Hypotheses of phylogenetic and historical zoogeographic relationships of glyptocephalines (Glyptocephalus cynoglossus, G. zachirus, G. stelleri, Microstomus kitt, H. pacificus, H. achne, Embassichthys bathybius, and Tanakius kitaharae) were constructed based on comparative anatomy and external morphology. The phylogenetic approach was cladistic and character polarity was determined by using out-group comparison. One...
Resource Type:: Dissertation
Full Text:: Boulenger (1902) and Thilo (1902a-c). He proposed a dendrogram that showed the evolution of flatfishes from

Grazing relationships of elk, deer and cattle on seasonal rangelands in northeastern Oregon

Creator:: Sheehy, Dennis Patrick
Resource Type:: Dissertation
Full Text:: of Elk, Deer and Cattle on Seasonal Ranqelands in Northea.s.tern Oreqon Abstract approved: Dr

Resource partitioning by bobcats and coyotes in a coniferous forest

Creator:: Toweill, Dale E.
Resource Type:: Dissertation
Full Text:: publication. The first of these deals with bobcat ecology, the next two with coyote ecology, and the last

Effects of current velocity, irradiance, and herbivory on algal assemblages in laboratory streams

Creator:: Steinman, Alan D.
Abstract:: Effects of current velocity, irradiance, and grazing on the biomass, taxonomic structure, physiognomy, and chemical composition of lotic algal assemblages were investigated. Four experiments, lasting 32 to 75 days, were conducted in laboratory streams to determine how these factors affect algal assemblages singly, and in concert with each other. Regardless...
Resource Type:: Dissertation
Full Text:: also introduced into algal classification and study. The study of algal ecology lagged behind that of

Ecology and reproduction in Collomia macrocalyx Brand (Polemoniaceae)

Creator:: Joyal, Elaine
Abstract:: Populations of Collom ia macrocalyx Brand were located and observed in order to determine the distribution, ecology, and reproductive biology of this species and probable relationships to other members of the genus. The purpose of the study was to obtain information that would explain the restricted range of the species...
Resource Type:: Masters Thesis
Full Text:: Ecology and reproduction in Collomia macrocalyx Brand

Growth and reproductive ecology of Larix laricina in interior Alaska

Creator:: Brown, Kevin R.
Abstract:: Larix laricina in Alaska occurs on sites ranging from productive slopes and riverbottoms to wet bogs underlain by permafrost. It is largest on sites without permafrost, where it is associated with Picea glauca, but is much more common in bogs, where it occurs with Picea mariana. In this study, I...
Resource Type:: Masters Thesis
Full Text:: Growth and reproductive ecology of Larix laricina in

Environmental contaminants and ecology of bald eagles in southcentral Oregon

Creator:: Frenzel, Richard Wilmarth
Abstract:: Food habits and levels of organochlorine compounds, lead, and mercury in resident and wintering bald eagles were studied in southcentral Oregon and California, 1979-83. Food habits were assessed by examination of castings from winter communal roosts, identification of 2938 prey items found at nest sites and foraging areas, and observations...
Resource Type:: Dissertation
Full Text:: Title: Environmental Contaminants and Ecology of Bald Eagles in Southcentral Oregon Abstract approved

Ecology and management of economically important fruit flies

Creator:: Oregon State University. Agricultural Experiment Station, Oregon State University. Department of Entomology, Entomological Society of America, and Ali Niazee, Mohammed Taskeen, 1943-
Abstract:: This volume is a proceeding of the papers presented in an "Informal Conference" during the Annual Meetings of the Entomological Society of America held on December 8, 1985, in Hollywood, Florida. Although most of the papers presented during the conference are included in this publication, there were three additional papers...
Resource Type:: Technical Report
Full Text:: IQ Ecology and Management of Economically Important Fruit Flies PURCHASE OF THIS PUBLICATION

Population and production ecology of Lipsothrix spp. (Diptera:Tipulidae)

Creator:: Dudley, Thomas L.
Abstract:: Craneflies of the genus Lipsothrix inhabit decomposing wood in streams. The life cycles and ecological relationships of L. nigrilinea (Doane) and L. fenderi Alexander were investigated to determine how they exploit and respond to the wood habitat and their role in degradation of woody debris in western Oregon. Surveys of...
Resource Type:: Masters Thesis
Full Text:: Population and production ecology of Lipsothrix spp

Implicit Degenerate Evolution Equations and Applications

Creator:: Di Benedetto, Emmanuele and Showalter, R. E.
Abstract:: The initial-value problem is studied for evolution equations in Hilbert space of the general form d/dt A(u) + B(u) ϶ f, where and are maximal monotone operators. Existence of a solution is proved when A is a subgradient and either is strongly monotone or B is coercive; existence is established...
Resource Type:: Article
Full Text:: Implicit degenerate evolution equations and applications SIAM

ScholarsArchive@OSU

Phylogeny and zoogeography of glyptocephalines (Pisces: Pleuronectidae)

Grazing relationships of elk, deer and cattle on seasonal rangelands in northeastern Oregon

Resource partitioning by bobcats and coyotes in a coniferous forest

Effects of current velocity, irradiance, and herbivory on algal assemblages in laboratory streams

Ecology and reproduction in Collomia macrocalyx Brand (Polemoniaceae)

Growth and reproductive ecology of Larix laricina in interior Alaska

Environmental contaminants and ecology of bald eagles in southcentral Oregon

Ecology and management of economically important fruit flies

Population and production ecology of Lipsothrix spp. (Diptera:Tipulidae)

Implicit Degenerate Evolution Equations and Applications

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