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Ecology & Evolutionary Biology: Recent submissions
Now showing items 961-980 of 1921
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EST analysis of male accessory glands from Heliconius butterflies with divergent mating systems
(BioMed Central, 2008-12-08)Background: Heliconius butterflies possess a remarkable diversity of phenotypes, physiologies, and behaviors that has long distinguished this genus as a focal taxon in ecological and evolutionary research. Recently ... -
Highly conserved gene order and numerous novel repetitive elements in genomic regions linked to wing pattern variation in Heliconius butterflies
(BioMed Central, 2008-07-22)Background: With over 20 parapatric races differing in their warningly colored wing patterns, the butterfly Heliconius erato provides a fascinating example of an adaptive radiation. Together with matching races of its ... -
Mollusc shell periostracum as an alternative to tissue in isotopic studies
(Association for the Sciences of Limnology and Oceanography, 2009-06-01)Recent studies have used carbon and nitrogen stable isotope ratios of preserved soft tissues to examine historical changes in trophic patterns of aquatic ecosystems. A limitation in this application is the difficulty in ... -
Protoascon missouriensis, a complex fossil microfungus revisited
(Mycological Society of America, 2005-03-14)The Carboniferous microfungus Protoascon missouriensis has been interpreted variously as an ascomycete, chytridiomycete, zygomycete and oomycete. We offer a more complete interpretation based on a re-examination of the ... -
Perithecial ascomycetes from the 400 million year old Rhynie chert: an example of ancestral polymorphism
(Mycological Society of America, 2005-01-01)We describe a perithecial, pleomorphic ascomycetous fungus from the Early Devonian (400 mya) Rhynie chert; the fungus occurs in the cortex just beneath the epidermis of aerial stems and rhizomes of the vascular plant ... -
Touch-sensitive glandular trichomes: a mode of defence against herbivorous arthropods in the Carboniferous
(Evolutionary Ecology, 2002-01-01)We present evidence that the capitate glandular trichomes of Blanzyopteris praedentata, a lianescent seed fern from the Upper Carboniferous of France, possessed a specialized, touchsensitive mechanism that triggered the ... -
Coprolites in a Middle Triassic cycad pollen cone: evidence for insect pollination in early cycads?
(Evolutionary Ecology, 2005-01-01)Question: What evidence is there for cycad–insect interactions in the fossil record? Organism: The pollen cone Delemaya spinulosa Klavins, Taylor, Krings et Taylor. Locality: Fremouw Formation (Middle Triassic), Fremouw ... -
Creative Use of Mountain Biodiversity Databases: The Kazbegi Research Agenda of GMBA-DIVERSITAS
(International Mountain Society, 2007-08-01)Geo-referenced archive databases on mountain organisms are very promising tools for achieving a better understanding of mountain biodiversity and predicting its changes. The Global Mountain Biodiversity Assessment (GMBA) ... -
The importance of Opuntia in Mexico and routes of invasion and impact of Cactoblastis cactorum (Lepidoptera: Pyralidae)
(Florida Entomological Society, 2001-12-01)The appearance of the cactus moth Cactoblastis cactorum in Florida has roused concern over its possible effects on the Opuntia-rich areas of Mexico and the southwestern United States. In this paper we discuss the economic ... -
The evolution of ecology in Mexico: facing challenges and preparing for the future
(Ecological Society of America, 2006-06-01)We review and analyze the historical development and challenges facing ecology as a science in Mexico, a country with limited financial and human (one scientist per 5000 inhabitants) resources and numerous environmental ... -
Reply to Cleveland et al.’s “Detecting (trans)gene flow to landraces in centers of crop origin: lessons from the case of maize in Mexico”
(EDP Sciences, 2005-09-01)Cleveland et al. (2005, Environ. Biosafety Res. 4: 197–208) offer useful suggestions for monitoring transgenes in landraces of maize, but we disagree with their statement that the scientific conclusions of our paper ... -
Opinion versus scientific consensus
(Ecological Society of America, 2005-08-01)No abstract is available for this item. -
Geddes’ second letter: A letter to the editor
(Ecological Society of America, 2005-10-01)No abstract is available for this item. -
Teaching objective science
(Ecological Society of America, 2006-03-01)No abstract is available for this item. -
Host nutrition and infectious disease: an ecological view
(Ecological Society of America, 2005-06-01)Nutrition is typically discussed in terms of maintaining a proper diet and avoiding nutrient deficiency diseases. However, nutrition can also be viewed from an ecological standpoint: mammalian hosts and their pathogens ... -
Designed ecosystem services: application of ecological principles in wastewater treatment engineering
(Ecological Society of America, 2004-05-01)Wastewater treatment engineering and ecology have complementary goals and need to interact much more closely. Wastewater engineers and ecologists share strong interests in the structure and function of biological communities, ... -
Responses of a bacterial pathogen to phosphorus limitation of its aquatic invertebrate host
(Ecological Society of America, 2008-02-01)Host nutrition is thought to affect the establishment, persistence, and severity of pathogenic infections. Nutrient-deficient foods possibly benefit pathogens by constraining host immune function or benefit hosts by limiting ... -
A comparison of taxon co-occurrence patterns for macro- and microorganisms
(Ecological Society of America, 2007-06-01)We examine co-occurrence patterns of microorganisms to evaluate community assembly “rules.” We use methods previously applied to macroorganisms, both to evaluate their applicability to microorganisms and to allow comparison ... -
Grazers, producer stoichiometry, and the light: nutrient hypothesis revisited
(Ecological Society of America, 2007-05-01)The stoichiometric light : nutrient hypothesis (LNH) links the relative supplies of key resources with the nutrient content of tissues of producers. This resource-driven variation in producer stoichiometry, in turn, can ... -
Extrinsic and intrinsic controls of zooplankton diversity in lakes
(Ecological Society of America, 2006-02-01)Pelagic crustacean zooplankton were collected from 336 Norwegian lakes covering a wide range of latitude, altitude, lake area, mean depth, production (as chlorophyll a), and fish community structure. Mean zooplankton species ...