Academic literature on the topic 'Bird declines – Texas'

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Journal articles on the topic "Bird declines – Texas"

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Bellinger, Brent J., and Stephen L. Davis. "Zebra mussel (Dreissena polymorpha) population dynamics and associated water quality impacts along their southern United States colonization front." Aquatic Invasions 19, no. (4) (2024): 389–412. https://doi.org/10.3897/ai.2024.19.4.141420.

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Zebra mussels represent one of the most pervasive and expensive non-native species to be introduced into new aquatic ecosystems, negatively impacting human structures and infrastructure and acting as ecosystem engineers. Zebra mussels have demonstrated thermal plasticity, enabling expansion to semi-tropical aquatic systems including Texas ca. 2009. In this study we described spawning and population dynamics and water quality changes after colonization of two central Texas reservoirs, Lake Austin and Lady Bird Lake, ca. 2017. Veliger concentrations peaked in spring and early summer (Julian days
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Miller, Katherine S., Leonard A. Brennan, Humberto L. Perotto-Baldivieso, et al. "Correlates of Habitat Fragmentation and Northern Bobwhite Abundance in the Gulf Prairie Landscape Conservation Cooperative." Journal of Fish and Wildlife Management 10, no. 1 (2018): 3–18. http://dx.doi.org/10.3996/112017-jfwm-094.

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Abstract The northern bobwhite Colinus virginianus has experienced range-wide declines over the past several decades, primarily due to habitat loss and habitat fragmentation. As northern bobwhite populations continue to decline, there is a need for studies that address the impact of habitat changes on population persistence at multiple spatial scales. Our goal was to assess changes in habitat and land use related to northern bobwhite declines across multiple spatial scales in Texas, Oklahoma, and Louisiana. We determined northern bobwhite trends for 1972–2012 using Breeding Bird Survey data. A
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McInnerney, Courtney, Christopher E. Comer, Brian Oswald, Roger J. Masse, and Christopher M. Schalk. "Avian Responses to Vegetation Changes From Post Oak Savanna Restoration Efforts in Eastern Texas." Journal of Fish and Wildlife Management 12, no. 1 (2021): 61–69. http://dx.doi.org/10.3996/jfwm-20-028.

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Abstract Once covering approximately 46 million hectares of the Midwestern United States extending from southern Wisconsin southward into Texas, canopy cover of oak savannas ranged from 10% to 70%, and were dominated by fire-resistant oak species such as bur oak Quercus macrocarpa and post oak Quercus stellata, with a well-developed, diverse herbaceous layer dominated by fire-adapted grasses and forbs. In response to the loss and degradation of oak savannas, associated wildlife populations have experienced long-term declines. For example, 70% of disturbance-dependent bird species in the United
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Treviño Murphy, Laurel, Shelly Engelman, John L. Neff, and Shalene Jha. "The Native Bees of Texas: Evaluating the Benefits of a Public Engagement Course." Insects 12, no. 8 (2021): 702. http://dx.doi.org/10.3390/insects12080702.

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Declines in native bee communities due to forces of global change have become an increasing public concern. Despite this heightened interest, there are few publicly available courses on native bees, and little understanding of how participants might benefit from such courses. In October of 2018 and 2019, we taught the ‘Native Bees of Texas’ course to the public at The University of Texas at Austin Lady Bird Johnson Wildflower Center botanical gardens in an active learning environment with slide-based presentations, printed photo-illustrated resources, and direct insect observations. In this st
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Young, Michael, and Jessica Marion Barr. "(Mis)reading Revelations: Apocalyptic Visions and Environmental Crisis & Augury: Elegy." UnderCurrents: Journal of Critical Environmental Studies 18 (April 27, 2014): 7–17. http://dx.doi.org/10.25071/2292-4736/38665.

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(Mis)reading Revelations: Apocalyptic Visions and Environmental Crisis Michael Young The Falling Birds of Beebe, ArkansasIn punishing contrast to the soaring and singing bird as a symbol of freedom, the quiet or injured bird might be a perfect symbol for environmental crisis. Dead and dying birds have long been associated with warnings of danger, having been used since the early twentieth century to predict air contamination in coal mines. Often understood to be a good indicator of ecological decline, birds have also been central to depictions of environmental apocalypse, most notably in Rache
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Baumgardt, Jeremy A., Michael L. Morrison, Leonard A. Brennan, and Tyler A. Campbell. "Developing Rigorous Monitoring Programs: Power and Sample Size Evaluations of a Robust Method for Monitoring Bird Assemblages." Journal of Fish and Wildlife Management 10, no. 2 (2019): 480–91. http://dx.doi.org/10.3996/042019-jfwm-027.

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Wildlife population monitoring programs are useful for identifying ecological impacts such as those from local management actions and broader scale influences such as climate change. Increasing the number of species monitored improves robustness of the program towards meeting monitoring objectives. In addition, monitoring at multiple spatial scales should increase the sensitivity of the monitoring program. We developed a monitoring program using unbiased estimates of occupancy at both local and regional scales, and unbiased estimates of density for multiple species of birds with a single proto
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Cheng-Chun Hwang, Patrick. "Inclusive Disegno." Ardeth, no. 10 (2022): 87–103. http://dx.doi.org/10.17454/ardeth10-11.06.

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Horses gallop, birds fly, architects draw. Learning design through drawing has been, and continues to be, the most fundamental method of studying architecture. With drawing literacy in decline since the late 1990s, both supporters and skeptics have declared the “Death of Drawing”, pitting digital against hand drawing. Given this situation, what are the functions of architectural drawing today, particularly those that can enable learning? This article discusses a pedagogical method that aims to cultivate a student’s desire and competency to collaborate through an inclusive drawing process. This
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Wallace, B. M., and Danny B. Pence. "Population dynamics of the helminth community from migrating blue-winged teal: loss of helminths without replacement on the wintering grounds." Canadian Journal of Zoology 64, no. 8 (1986): 1765–73. http://dx.doi.org/10.1139/z86-266.

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The main and interactive effects of host and seasonal factors on abundance of 22 common helminth species from fall and spring migratory blue-winged teal collected in the Texas Panhandle were examined. Although abundances of many common helminth species were greater in immature than adult birds just off the breeding grounds, fall-collected adults had higher abundances of most helminth species than did both juvenile and adult birds from the wintering grounds in Mexico. While total abundance of helminths declined on the wintering grounds to only 54% of that from fall-collected birds, overall spec
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Kissi, Celestina Yaaba. "Technology Focus: Flow Assurance (November 2023)." Journal of Petroleum Technology 75, no. 11 (2023): 86–87. http://dx.doi.org/10.2118/1123-0086-jpt.

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This year has seen a focus on gas development projects and the energy transition. Flow assurance plays an interesting role in this area. Even though the attention has been on the energy transition, where gas development is concerned, the production processes through which gas is produced cannot be ignored. Thus, flow-assurance issues remain prevalent today, and an analysis of existing solutions, key to the success of oil and gas producing facilities, needs to be addressed. Tackling mixed-scale issues in the oil field using a novel robust scale dissolver (RSD) was studied in paper SPE 211187. S
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KISTLER, WHITNEY M., SABRINA HOCK, BEATRICE HERNOUT, et al. "Plains lubber grasshopper (Brachystola magna) as a potential intermediate host for Oxyspirura petrowi in northern bobwhites (Colinus virginianus)." Parasitology Open 2 (2016). http://dx.doi.org/10.1017/pao.2016.5.

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SUMMARYOxyspirura petrowiis a heteroxenous parasitic nematode that has been reported in high prevalences from birds in the Order Galliformes experiencing population declines in the USA. There is a paucity of information regarding the natural historyO. petrowi, including the life cycle and effects of infection on wild bird populations. In order to study the life cycle of this parasite, we collected plains lubber grasshoppers (Brachystola magna) from a field location in Mitchell County, Texas. We found third-stage larvae (L3) in 37.9% (66/174)B. magna. We determined that they wereO. petrowithrou
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Dissertations / Theses on the topic "Bird declines – Texas"

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Whitt, Jeffrey Glen. "The Bobwhite Population Decline: Its History, Genetic Consequences, and Studies on Techniques for Locating and Assessing Current Populations." Thesis, University of North Texas, 2019. https://digital.library.unt.edu/ark:/67531/metadc1505132/.

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The northern bobwhite (Colinus virginianus) population decline is a severe, rangewide phenomenon beginning >150 years ago and continuing today. In this investigation, I: 1. document the timeline of bobwhite population decline and unintended genetic consequences of attempted remedies, 2) develop a model useful for predicting possible locations of potentially sustainable bobwhite populations in semiarid rangeland in Texas and Oklahoma, and 3) examine the relationship between population monitoring data and meteorological factors. While breeding season call counts of male bobwhite have been used f
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Book chapters on the topic "Bird declines – Texas"

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Dickson, James G., Frank R. Thompson, Richard N. Conner, and Kathleen E. Franzreb. "Silviculture In Central And Southeastern Oak-Pine Forests." In Ecology And Management Of Neotropical Migratory Birds. Oxford University PressNew York, NY, 1995. http://dx.doi.org/10.1093/oso/9780195084405.003.0009.

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Abstract The objective of this chapter is to document the Neotropical migratory bird NTMB communities of eastern pine-oak and oak hickory forests and provide information on how silviculture practices affect those bird communities. The area covered is the southeastern pine-oak forests from Virginia to eastern Oklahoma and eastern Texas and the oak-dominated forests northerly, particularly the midwestern United States. Eastern pine-oak and oak-hickory forest are characterized by conifers and hardwoods, particularly pines and oaks in the south, oaks and hickories northerly from the east to midwes
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Hovanec, Caroline. "Unhoming the Pigeon: Ahmed Ali’s Twilight in Delhi." In Beastly Modernisms, edited by Saskia McCracken and Alex Goody. Edinburgh University Press, 2023. http://dx.doi.org/10.3366/edinburgh/9781474498029.003.0015.

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Pigeons’ storied history and waning fortunes have drawn the attention of many writers, including Ahmed Ali. Ali’s 1940 novel Twilight in Delhi uses pigeon imagery to link together the spatial trope of homelessness and the temporal trope of slouching toward extinction. The novel is about the long decline of a Muslim family under British imperial rule. Its patriarch often meditates on the tragedy of cultural extinction, and his pigeon loft is made a synecdoche for that threatened culture. Early critics frequently read Twilight as a nostalgic lament for the Mughal Empire that preceded British occ
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Harper, Steven J., and James D. Westervelt. "Management Application of an Agent-Based Model: Control of Cowbirds at the Landscape Scale." In Integrating Geographic Information Systems and Agent-Based Modeling Techniques for Understanding Social and Ecological Processes. Oxford University Press, 2002. http://dx.doi.org/10.1093/oso/9780195143362.003.0011.

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Brood parasitism by brown-headed cowbirds (Molothrus ater) has negative impacts on a large number of songbird species. Cowbirds are obligate brood parasites, meaning that females lay their eggs in the nests of other species and do not provide care to their offspring. Parasitism by cowbirds often results in reduced reproductive success for the host, sometimes to the exclusion of fledging any of their own young. Clearly parasitism by cowbirds can have a substantial impact on the population dynamics of the host species. Over 200 species of birds are known to be parasitized by cowbirds. Cowbirds b
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