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Articles 1 - 18 of 18
Full-Text Articles in Life Sciences
A Fish Farmer’S Role In Sustainable Aquaculture: An Overview Of Philippine Aquaculture, Janice A. Ragaza, Jonni Fay C. Teves
A Fish Farmer’S Role In Sustainable Aquaculture: An Overview Of Philippine Aquaculture, Janice A. Ragaza, Jonni Fay C. Teves
Biology Faculty Publications
The expansion of Philippine aquaculture is essential to addressing poverty and food insecurity in the midst of a seemingly irreversible decline in national capture fisheries. Concomitant with its rise, however, are compounding environmental problems caused by climate change, lackluster governance and irresponsible farming practices. It is equally important to ensure aquaculture sustainability so that fish demand from a rapidly growing population is continually met and that fish farmers’ socioeconomic well-being is secured. As such, programs have been developed that aim to enjoin the government and private sectors with fishing communities to realize this goal.
Phylogenetic Analysis Of Algal Symbionts Associated With Four North American Amphibian Egg Masses, Eunsoo Kim, Yuan Lin, Ryan R. Kerney, Lili Blumenberg, Cory Bishop
Phylogenetic Analysis Of Algal Symbionts Associated With Four North American Amphibian Egg Masses, Eunsoo Kim, Yuan Lin, Ryan R. Kerney, Lili Blumenberg, Cory Bishop
Biology Faculty Publications
Egg masses of the yellow-spotted salamander Ambystoma maculatum form an association with the green alga “Oophila amblystomatis” (Lambert ex Wille), which, in addition to growing within individual egg capsules, has recently been reported to invade embryonic tissues and cells. The binomial O. amblystomatis refers to the algae that occur in A. maculatum egg capsules, but it is unknown whether this population of symbionts constitutes one or several different algal taxa. Moreover, it is unknown whether egg masses across the geographic range of A. maculatum, or other amphibians, associate with one or multiple algal taxa. To address these …
The Fat Of The Matter: How Dietary Fatty Acids Can Affect Exercise Performance, Barbara J. Pierce, Scott R. Mcwilliams
The Fat Of The Matter: How Dietary Fatty Acids Can Affect Exercise Performance, Barbara J. Pierce, Scott R. Mcwilliams
Biology Faculty Publications
Fatty-acid composition of fat stores affects exercise performance in a variety of vertebrates although few such studies focus on flying vertebrates such as migratory birds, which are exceptional exercisers. We first discuss the natural variation in quality of fat available in natural foods eaten by migratory birds and their behavioral preferences for specific fatty acids in these foods. We then outline three proposed hypotheses for how dietary fatty acids can affect exercise performance, and some of the evidence to date that pertains to these hypotheses with special emphasis on the exercise performance of migratory birds. In theory, selectively feeding on …
Hydrolyzed Tuna Meat By-Product Supplement For Juvenile Red Sea Bream, Pagrus Major, And Its Effect On Growth, Enzyme Activity, Plasma Parameters, And Apparent Nutrient Digestibility, Janice A. Ragaza, Roger Edward P. Mamauag, Shunsuke Koshio, Manabu Ishikawa, Saichiro Yokoyama
Hydrolyzed Tuna Meat By-Product Supplement For Juvenile Red Sea Bream, Pagrus Major, And Its Effect On Growth, Enzyme Activity, Plasma Parameters, And Apparent Nutrient Digestibility, Janice A. Ragaza, Roger Edward P. Mamauag, Shunsuke Koshio, Manabu Ishikawa, Saichiro Yokoyama
Biology Faculty Publications
A growth experiment was conducted on juvenile red sea bream, Pagrus major to investigate the effect of the inclusion in fish diets, of tuna meat by-product hydrolysate which was processed through enzymatic hydrolysis using a commercially available enzyme, derived from Bacillus subtilis. Six experimental diets were formulated in the experiment. Three diets contained 50, 150 and 250 g/kg of TPM-H (tuna meat by-product hydrolysate), and two diets with the unprocessed TPM (tuna meat by-product) at an inclusion level of 50 and 250 g/kg. A control diet was formulated without any addition of the test ingredients. Treatment diets were fed ad …
Schooling Increases Risk Exposure For Fish Navigating Past Artificial Barriers, Bertrand H. Lemasson, James W. Haefner, Mark D. Bowen
Schooling Increases Risk Exposure For Fish Navigating Past Artificial Barriers, Bertrand H. Lemasson, James W. Haefner, Mark D. Bowen
Biology Faculty Publications
Artificial barriers have become ubiquitous features in freshwater ecosystems and they can significantly impact a region's biodiversity. Assessing the risk faced by fish forced to navigate their way around artificial barriers is largely based on assays of individual swimming behavior. However, social interactions can significantly influence fish movement patterns and alter their risk exposure. Using an experimental flume, we assessed the effects of social interactions on the amount of time required for juvenile palmetto bass (Morone chrysops × M. saxatilis) to navigate downstream past an artificial barrier. Fish were released either individually or in groups into the flume …
Systematics Of The Neotropical Genus Leptodactylus Fitzinger, 1826 (Anura: Leptodactylidae): Phylogeny, The Relevance Of Non-Molecular Evidence, And Species Accounts, Rafael O. De Sá, Taran Grant, Arley Camargo, W. R. Heyer, María Laura Ponssa, Edward Stanley
Systematics Of The Neotropical Genus Leptodactylus Fitzinger, 1826 (Anura: Leptodactylidae): Phylogeny, The Relevance Of Non-Molecular Evidence, And Species Accounts, Rafael O. De Sá, Taran Grant, Arley Camargo, W. R. Heyer, María Laura Ponssa, Edward Stanley
Biology Faculty Publications
A phylogeny of the species-rich clade of the Neotropical frog genus Leptodactylus sensu stricto is presented on the basis of a total evidence analysis of molecular (mitochondrial and nuclear markers) and non-molecular (adult and larval morphological and behavioral characters) sampled from > 80% of the 75 currently recognized species. Our results support the monophyly of Leptodactylus sensu stricto, with Hydrolaetare placed as its sister group. The reciprocal monophyly of Hydrolaetare and Leptodactylus sensu stricto does not require that we consider Hydrolaetare as either a subgenus or synonym of Leptodactylus sensu lato. We recognize Leptodactylus sensu stricto, Hydrolaetare, Adenomera, and Lithodytes …
A New Species Of Chiasmocleis (Microhylidae, Gastrophryninae) From The Atlantic Forest Of Espírito Santo State, Brazil, João Filipe Tonini, Maruicio Forlani, Rafael O. De Sá
A New Species Of Chiasmocleis (Microhylidae, Gastrophryninae) From The Atlantic Forest Of Espírito Santo State, Brazil, João Filipe Tonini, Maruicio Forlani, Rafael O. De Sá
Biology Faculty Publications
Among Neotropical microhylids, the genus Chiasmocleis is exceptionally diverse. Most species ofChiasmocleis were described in recent years based on external morphology, but recent studies using molecular data did not support the monophyly of the species groups clustered based on feet webbing. Furthermore, a phylogeographic study of C. lacrimae estimated high genetic divergence and low gene flow among populations across small geographic ranges. Increasing the molecular and geographic sampling, and incorporating morphological data, we identified new cryptic species. Herein, we used novel genetic and morphological data to describe a new species of Chiasmocleis.
Diet Alters Delayed Selfing, Inbreeding Depression, And Reproductive Senescence In A Freshwater Snail, Josh R. Auld, John F. Henkel
Diet Alters Delayed Selfing, Inbreeding Depression, And Reproductive Senescence In A Freshwater Snail, Josh R. Auld, John F. Henkel
Biology Faculty Publications
No abstract provided.
The Neotropical Genus Austrolebias: An Emerging Model Of Annual Killifishes, Nibia Berois, María J. Arezo, Rafael O. De Sá
The Neotropical Genus Austrolebias: An Emerging Model Of Annual Killifishes, Nibia Berois, María J. Arezo, Rafael O. De Sá
Biology Faculty Publications
Annual fishes are found in both Africa and South America occupying ephemeral ponds that dried seasonally. Neotropical annual fishes are members of the family Rivulidae that consist of both annual and non-annual fishes. Annual species are characterized by a prolonged embryonic development and a relatively short adult life.
Males and females show striking sexual dimorphisms, complex courtship, and mating behaviors. The prolonged embryonic stage has several traits including embryos that are resistant to desiccation and undergo up to three reversible developmental arrests until hatching. These unique developmental adaptations are closely related to the annual fish life cycle and are the …
Effects Of Replacing Fishmeal With Squash Seed Meal (Cucurbita Maxima) On Performance Of Juvenile Nile Tilapia (Oreochromis Niloticus), Janice A. Ragaza, Jonni Fay C. Teves, Marie Noelle Fernandez
Effects Of Replacing Fishmeal With Squash Seed Meal (Cucurbita Maxima) On Performance Of Juvenile Nile Tilapia (Oreochromis Niloticus), Janice A. Ragaza, Jonni Fay C. Teves, Marie Noelle Fernandez
Biology Faculty Publications
The effects of replacing fishmeal with squash (Cucurbita maxima) seed meal (SSM) on Oreochromis niloticus juveniles were investigated on a 30-day feeding trial. Triplicate groups of ten (10) O. niloticus juveniles (2.54±0.949 g) stocked in polyethylene tanks received iso-nitrogenous diets with SSM inclusion levels of 0%, 5%, 10%, 15% and 20%. Fish fed 5% SSM inclusion level showed the highest average weight gain (202.25±36.26%) and specific growth rate (3.76±0.42%) among the fish fed SSM-containing diets. However, there were no significant differences between the average weight gain and specific growth rate of fish in all diets. Fish fed S5, S15 and …
Evolutionary Relationships Of The Critically Endangered Frog Ericabatrachus Baleensis Largen, 1991 With Notes On Incorporating Previously Unsampled Taxa Into Large-Scale Phylogenetic Analyses, Karen Siu-Ting, David J. Gower, Davide Pisani, Roman Kassahun, Fikirte Gebresenbet, Michele Menegon, Abebe A. Mengistu, Samy A. Saber, Rafael O. De Sá, Mark Wilkinson, Simon P. Loader
Evolutionary Relationships Of The Critically Endangered Frog Ericabatrachus Baleensis Largen, 1991 With Notes On Incorporating Previously Unsampled Taxa Into Large-Scale Phylogenetic Analyses, Karen Siu-Ting, David J. Gower, Davide Pisani, Roman Kassahun, Fikirte Gebresenbet, Michele Menegon, Abebe A. Mengistu, Samy A. Saber, Rafael O. De Sá, Mark Wilkinson, Simon P. Loader
Biology Faculty Publications
Background: The phylogenetic relationships of many taxa remain poorly known because of a lack of appropriate data and/or analyses. Despite substantial recent advances, amphibian phylogeny remains poorly resolved in many instances. The phylogenetic relationships of the Ethiopian endemic monotypic genus Ericabatrachus has been addressed thus far only with phenotypic data and remains contentious.
Results: We obtained fresh samples of the now rare and Critically Endangered Ericabatrachus baleensis and generated DNA sequences for two mitochondrial and four nuclear genes. Analyses of these new data using de novo and constrained-tree phylogenetic reconstructions strongly support a close relationship between Ericabatrachus and …
A Dichotomous Key For The Identification Of Nine Salmonids Of The Inland Northwest Using Six Diagnostic Skull Bones : And Associated Equations To Estimate Total Length And Weight From Bones Ingested By Piscivores Or Found In Archeological Sites, Aaron G. Stroud, Allan T. Scholz, Fisheries Research Center (Cheney, Wash.)
A Dichotomous Key For The Identification Of Nine Salmonids Of The Inland Northwest Using Six Diagnostic Skull Bones : And Associated Equations To Estimate Total Length And Weight From Bones Ingested By Piscivores Or Found In Archeological Sites, Aaron G. Stroud, Allan T. Scholz, Fisheries Research Center (Cheney, Wash.)
Biology Faculty Publications
No abstract provided.
Fishes Of Eastern Washington: A Natural History, Volume 4, Allan T. Scholz, Josh Smith, Amanda Maifeld, Judy Mcmillan, Larry Conboy, Eastern Washington University. Department Of Biology., Eastern Washington University. University Graphics.
Fishes Of Eastern Washington: A Natural History, Volume 4, Allan T. Scholz, Josh Smith, Amanda Maifeld, Judy Mcmillan, Larry Conboy, Eastern Washington University. Department Of Biology., Eastern Washington University. University Graphics.
Biology Faculty Publications
Volume 4 of 4.
CHAPTER 6: KEY TO FAMILIES OF EASTERN WASHINGTON FISHES (REVISED), CHAPTER 18: FAMILY PERCOPSIDAE: TROUT-PERCHES, CHAPTER 19: FAMILY GADIDAE: CODS, CHAPTER 20: FAMILY POECILIIDAE: LIVEBEARERS, CHAPTER 21: FAMILY GASTEROSTEIDAE: STICKLEBACKS, CHAPTER 22: FAMILY COTTIDAE: SCULPINS, CHAPTER 23: FAMILY CENTRARCHIDAE: SUNFISHES, CHAPTER 24: FAMILY PERCIDAE: PERCH, CHAPTER 25: FISH WITH RARE OR UNCERTAIN STATUS IN EASTERN WASHINGTON, CHAPTER 26: LIMINOLOGY, WATER QUALITY, AND FISH HABITAT
First Report Of Satellite Males During Breeding In Leptodactylus Latrans (Amphibia, Anura), Gabriel Laufer, Noelia Gobel, José M. Mautone, María Galán, Rafael O. De Sá
First Report Of Satellite Males During Breeding In Leptodactylus Latrans (Amphibia, Anura), Gabriel Laufer, Noelia Gobel, José M. Mautone, María Galán, Rafael O. De Sá
Biology Faculty Publications
Individual males can adopt alternative mating tactics. The occurrence of satellite males is a common behaviour across anuran taxa (e.g., Lithobates clamitans, Wells, 1977; Anaxyrus cognatus, Krupa, 1989; Dendropsophus ebraccatus, Miyamoto and Cane, 1980; Rhinella crucifer, Forester and Lynken, 1986). Satellite males take peripheral positions to calling males, and adopt alternate mating tactics in an attempt to intercept females that are attracted to calling males (Wells, 2007) to increase their own mating success. Satellite males could have an inexpensive form of mate-locating, avoiding predators, and saving energy (Arak, 1983). Furthermore, this strategy could play an important role in the genetic …
Fishes Of Eastern Washington: A Natural History, Volume 1, Allan T. Scholz, Tyler Basler, Josh Smith, Judy Mcmillan, Larry Conboy, Eastern Washington University. Department Of Biology., Eastern Washington University. University Graphics.
Fishes Of Eastern Washington: A Natural History, Volume 1, Allan T. Scholz, Tyler Basler, Josh Smith, Judy Mcmillan, Larry Conboy, Eastern Washington University. Department Of Biology., Eastern Washington University. University Graphics.
Biology Faculty Publications
Volume 1 of 4.
CHAPTER 1: INTRODUCTION, CHAPTER 2: CHECKLISTS OF EXTANT AND FOSSIL FISHES FOUND IN EASTERN WASHINGTON, CHAPTER 3: THE DISCOVERERS, CHAPTER 4: GEOLOGY, CHAPTER 5: COLUMBIA RIVER BASIN HYDROLOGY AND FISH DISTRIBUTION IN EASTERN WASHINGTON
Fishes Of Eastern Washington: A Natural History, Volume 2, Allan T. Scholz, Tyler Basler, Josh Smith, Judy Mcmillan, Larry Conboy, Eastern Washington University. Department Of Biology., Eastern Washington University. University Graphics.
Fishes Of Eastern Washington: A Natural History, Volume 2, Allan T. Scholz, Tyler Basler, Josh Smith, Judy Mcmillan, Larry Conboy, Eastern Washington University. Department Of Biology., Eastern Washington University. University Graphics.
Biology Faculty Publications
Volume 2 of 4.
CHAPTER 6: KEY TO FAMILIES OF EASTERN WASHINGTON FISHES, CHAPTER 7: FAMILY PETROMYZONTIDAE: LAMPREYS, CHAPTER 8: FAMILY ACIPENSERIDAE: STURGEON, CHAPTER 9: FAMILY CLUPEIDAE: HERRINGS, CHAPTER 10: FAMILY CYPRINIDAE: CARPS AND MINNOWS, CHAPTER 11: Family Catostomidae: Suckers, CHAPTER 12: FAMILY ICTALURIDAE: BULLHEAD CATFISHES, CHAPTER 13: Family Esocidae: Pikes
Fishes Of Eastern Washington: A Natural History, Volume 3, Allan T. Scholz, Josh Smith, Amanda Maifeld, Judy Mcmillan, Larry Conboy, Eastern Washington University. Department Of Biology., Eastern Washington University. University Graphics.
Fishes Of Eastern Washington: A Natural History, Volume 3, Allan T. Scholz, Josh Smith, Amanda Maifeld, Judy Mcmillan, Larry Conboy, Eastern Washington University. Department Of Biology., Eastern Washington University. University Graphics.
Biology Faculty Publications
Volume 3 of 4.
CHAPTER 14: FAMILY SALMONIDAE: SALMON, TROUT, CHARR, WHITEFISH AND GRAYLINGS, CHAPTER 15: FAMILY SALMONIDAE (SUBFAMILY COREGONINAE): WHITEFISH, CHAPTER 16: FAMILY SALMONIDAE (SUBFAMILY MONINAE): SALMON, TROUT AND CHARR, CHAPTER 17: FAMILY SALMONIDAE (SUBFAMILY THYMALLINAE): GRAYLINGS
Revision Of Anacaena Thomson, 1859 Xi. Republic Of The Philippines (Coleoptera: Hydrophilidae), Hendrik Freitag
Revision Of Anacaena Thomson, 1859 Xi. Republic Of The Philippines (Coleoptera: Hydrophilidae), Hendrik Freitag
Biology Faculty Publications
The species of Anacaena THOMSON, 1859 (Coleoptera: Hydrophilidae) of the Republic of the Philippines are revised. Fifteen new species are described: Anacaena albay sp.n., A. amplocomata sp.n., A. apo sp.n., A. balabag sp.n., A. cordillera sp.n., A. davao sp.n., A. destructa sp.n., A. emergens sp.n., A. hemisphaerica sp.n., A. levistriata sp.n., A. philippina sp.n., A. princesa sp.n., A. quezona sp.n., A. sulcata sp.n., and A. zamboangana. All species are endemic to the Philippines, twelve are aquatic, the habitat of three species is unknown. All Philippine species are morphologically similar to other species of the eastern Oriental Region and probably do …