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Articles 1 - 7 of 7
Full-Text Articles in Animal Sciences
The Influence Of Signaling Conspecific And Heterospecific Neighbors On Eavesdropper Pressure, Paula A. Trillo, Christopher S. Benson, Michael S. Caldwell, Tiffany L. Lam, Oliver H. Pickering, David M. Logue
The Influence Of Signaling Conspecific And Heterospecific Neighbors On Eavesdropper Pressure, Paula A. Trillo, Christopher S. Benson, Michael S. Caldwell, Tiffany L. Lam, Oliver H. Pickering, David M. Logue
Biology Faculty Publications
The study of tradeoffs between the attraction of mates and the attraction of eavesdropping predators and parasites has generally focused on a single species of prey, signaling in isolation. In nature, however, animals often signal from mixed-species aggregations, where interactions with heterospecific group members may be an important mechanism modulating tradeoffs between sexual and natural selection, and thus driving signal evolution. Although studies have shown that conspecific signalers can influence eavesdropper pressure on mating signals, the effects of signaling heterospecifics on eavesdropper pressure, and on the balance between natural and sexual selection, are likely to be different. Here, we review …
Fish Performance, Nutrient Digestibilities, And Hepatic And Intestinal Morphologies In Grouper Epinephelus Fuscoguttatus Fed Fermented Copra Meal, Roger Edward P. Mamauag, Janice A. Ragaza, Trisha J. Nacionales
Fish Performance, Nutrient Digestibilities, And Hepatic And Intestinal Morphologies In Grouper Epinephelus Fuscoguttatus Fed Fermented Copra Meal, Roger Edward P. Mamauag, Janice A. Ragaza, Trisha J. Nacionales
Biology Faculty Publications
Protein enhanced copra meal (PECM®) is an alternative, cheap, and sustainable source of plant protein for the aquafeed industry, albeit its use on carnivorous fish species has been very limited. A 70-day feeding trial using grouper Epinephelus fuscoguttatus (initial mean body weight of 1.86 ± 0.19 g) tested fermented copra meal as feed ingredient. Six isonitrogenous (crude protein of 45%) and iso-lipidic (crude fat of 11%) diets consisted of PECM®: a control diet at 0% soybean meal replacement (C); four diets replacing soybean meal at 25% (FC25), 50% (FC50), 75% (FC75), 100% (FC100) – all with methionine and lysine supplementation; …
Bird Species And Abundances In Fruit Crops And Implications For Bird Management, Melissa B. Hanney, Jason R. Boulanger, Paul D. Curtis, Rachael A. Eaton, Benjamin C. Hawes, Deanna K. Leigh, Cody A. Rossetti, Karen M. M. Sttensma, Catherine A. Lindell
Bird Species And Abundances In Fruit Crops And Implications For Bird Management, Melissa B. Hanney, Jason R. Boulanger, Paul D. Curtis, Rachael A. Eaton, Benjamin C. Hawes, Deanna K. Leigh, Cody A. Rossetti, Karen M. M. Sttensma, Catherine A. Lindell
Biology Faculty Publications
Fruit consumption by birds is a costly problem in North America, yet basic information about the species and abundance of fruit-eating birds in fruit crops, and factors that influence abundance, are lacking. We conducted a study of fruit-eating birds in 'Honeycrisp' apples, blueberries, grapes, and sweet cherries in Michigan, New York, and the Pacific Northwest in 2012 and 2013. We documented the most frequently observed fruit-eating birds in each crop across our study regions, and used fruit-consumption data to identify bird species for each crop and region that have a great impact via fruit consumption. We found that American Robins …
Predicting Habitat Choice After Rapid Environmental Change, Philip H. Crowley, Pete C. Trimmer, Orr Spiegel, Sean M. Ehlman, William S. Cuello, Andrew Sih
Predicting Habitat Choice After Rapid Environmental Change, Philip H. Crowley, Pete C. Trimmer, Orr Spiegel, Sean M. Ehlman, William S. Cuello, Andrew Sih
Biology Faculty Publications
Decisions made while searching for settlement sites (e.g., nesting, oviposition) often have major fitness implications. Despite numerous case studies, we lack theory to explain why some species are thriving while others are making poor habitat choices after environmental change. We develop a model to predict (1) which kinds of environmental change have larger, negative effects on fitness, (2) how evolutionary history affects susceptibility to environmental change, and (3) how much lost fitness can be recovered via readjustment after environmental change. We model the common scenario where animals search an otherwise inhospitable matrix, encountering habitats of varying quality and settling when …
Minnesota’S Third Tufted Duck, Philip C. Chu
Minnesota’S Third Tufted Duck, Philip C. Chu
Biology Faculty Publications
No abstract provided.
Alternative Nad(P)H Dehydrogenase And Alternative Oxidase: Proposed Physiological Roles In Animals, Allison Mcdonald, Dmytro V. Gospodaryov
Alternative Nad(P)H Dehydrogenase And Alternative Oxidase: Proposed Physiological Roles In Animals, Allison Mcdonald, Dmytro V. Gospodaryov
Biology Faculty Publications
The electron transport systems in mitochondria of many organisms contain alternative respiratory enzymes distinct from those of the canonical respiratory system depicted in textbooks. Two of these enzymes, the alternative NADH dehydrogenase and the alternative oxidase, were of interest to a limited circle of researchers until they were envisioned as gene therapy tools for mitochondrial disease treatment. Recently, these enzymes were discovered in several animals. Here, we analyse the functioning of alternative NADH dehydrogenases and oxidases in different organisms. We propose that both enzymes ensure bioenergetic and metabolic flexibility during environmental transitions or other conditions which may compromise the operation …
Multiple Connections Between Amazonia And Atlantic Forest Shaped The T Phylogenetic And Morphological Diversity Of Chiasmocleis Mehely, 1904 (Anura: Microhylidae: Gastrophryninae), Rafael O. De Sá, João Filipe Riva Tonini, Hannah Van Huss, Alex Long, Travis Cuddy, Mauricio C. Forlani, Pedro L.V. Peloso, Hussam Zaher, Célio F.B. Haddad
Multiple Connections Between Amazonia And Atlantic Forest Shaped The T Phylogenetic And Morphological Diversity Of Chiasmocleis Mehely, 1904 (Anura: Microhylidae: Gastrophryninae), Rafael O. De Sá, João Filipe Riva Tonini, Hannah Van Huss, Alex Long, Travis Cuddy, Mauricio C. Forlani, Pedro L.V. Peloso, Hussam Zaher, Célio F.B. Haddad
Biology Faculty Publications
Chiasmocleis is the most species-rich genus of Neotropical microhylids. Herein, we provide the first comprehensive multilocus phylogeny for the genus, including all but 3 of the 34 recognized species and multiple individuals per species. We discuss cryptic speciation, species discovery, patterns of morphological evolution, and provide a historical biogeographic analysis to account for the current distribution of the genus. Diversification of Chiasmocleis from other New World microhylids began during the Eocene, app. 40 mya, in forested areas, and current diversity seems to be a product of recurrent connections between the Atlantic Forest and Amazonia. Small-sized species evolved independently three times …