Search Results - "Panjabi, Arvind"

Decline of the North American avifauna by Rosenberg, Kenneth V, Dokter, Adriaan M, Blancher, Peter J, Sauer, John R, Smith, Adam C, Smith, Paul A, Stanton, Jessica C, Panjabi, Arvind, Helft, Laura, Parr, Michael, Marra, Peter P

“…Species extinctions have defined the global biodiversity crisis, but extinction begins with loss in abundance of individuals that can result in compositional…”
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Molecular analysis of stomach contents reveals important grass seeds in the winter diet of Baird's and Grasshopper sparrows, two declining grassland bird species by Titulaer, Mieke, Melgoza-Castillo, Alicia, Panjabi, Arvind O, Sanchez-Flores, Alejandro, Martínez-Guerrero, José Hugo, Macías-Duarte, Alberto, Fernandez, Jesús A

“…We analyzed the diet of Baird's Sparrow (Ammodramus bairdii) and Grasshopper Sparrow (A. savannarum) in three different sites and sampling periods across the…”
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Use of North American Breeding Bird Survey data in avian conservation assessments by Rosenberg, Kenneth V, Blancher, Peter J, Stanton, Jessica C, Panjabi, Arvind O

“…Conservation resources are limited, and prioritizing species based on their relative vulnerability and risk of extinction is a fundamental component of…”
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Rapid expansion of croplands in Chihuahua, Mexico threatens declining North American grassland bird species by Pool, Duane B., Panjabi, Arvind O., Macias-Duarte, Alberto, Solhjem, Deanna M.

“…•We classified cropland from remotely sensed imagery and heads-up digitizing.•From 2006 to 11 crop land expanded at a 6.04% annual rate in the Valles…”
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Landscape‐scale conservation mitigates the biodiversity loss of grassland birds by Pavlacky, David C., Green, Adam W., George, Thomas Luke, Iovanna, Rich, Bartuszevige, Anne M., Correll, Maureen D., Panjabi, Arvind O., Ryder, Thomas Brandt

“…The decline of biodiversity from anthropogenic landscape modification is among the most pressing conservation problems worldwide. In North America, long‐term…”
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Quantifying specialist avifaunal decline in grassland birds of the Northern Great Plains by Correll, Maureen D., Strasser, Erin H., Green, Adam W., Panjabi, Arvind O.

“…Habitat specialists are declining worldwide, often paralleling rapid loss of habitat. Grassland habitats across North America are declining precipitously, due…”
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Extremes of heat, drought and precipitation depress reproductive performance in shortgrass prairie passerines by Conrey, Reesa Y., Skagen, Susan K., Yackel Adams, Amy A., Panjabi, Arvind O.

“…Climate change elevates conservation concerns worldwide because it is likely to exacerbate many identified threats to animal populations. In recent decades,…”
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Southward breeding range expansion of the Baird’s Sparrow by Youngberg, Erin N., Bankert, Andrew R., Panjabi, Arvind O., Conrey, Reesa Y., Meyer, Aran, Correll, Maureen D.

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Association of Habitat Characteristics with Winter Survival of a Declining Grassland Bird in Chihuahuan Desert Grasslands of Mexico by Macías-Duarte, Alberto, Panjabi, Arvind O

“…Grassland bird populations have shown persistent declines over the past four decades in North America. Possible explanations for the declines include decreased…”
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2023 AOS Ralph W. Schreiber Conservation Awards to Lisa Sorenson and Stanley Senner by Marra, Peter P., Chalfoun, Anna D., McGill, Patricia A., Rosenberg, Kenneth V., Walters, Jeffrey R., Joos, Cara, Michel, Nicole L., Loss, Scott R., Lepczyk, Christopher A., Panjabi, Arvind O., Senner, Stanley E., Ruegg, Kristen C., Brawn, Jeffrey D., Cox, William, Kendrick, Sarah W., Gomez, Camila, Martínez-Salinas, Alejandra, Ruiz, Angelina

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Seed size, bill morphology, and handling time influence preferences for native vs. nonnative grass seeds in three declining sparrows by Titulaer, Mieke, Melgoza-Castillo, Alicia, Macías-Duarte, Alberto, Panjabi, Arvind O.

“…The invasion of exotic grasses is a potential threat to the winter habitat of migratory grassland birds by reducing native sources of seed food. We compared…”
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2023 AOS Conservation Practitioner Award to Jennie Duberstein by Marra, Peter P., Chalfoun, Anna D., McGill, Patricia A., Rosenberg, Kenneth V., Walters, Jeffrey R., Joos, Cara, Michel, Nicole L., Loss, Scott R., Lepczyk, Christopher A., Panjabi, Arvind O., Senner, Stanley E., Ruegg, Kristen C., Brawn, Jeffrey D., Cox, William, Kendrick, Sarah W., Gomez, Camila, Martínez-Salinas, Alejandra, Ruiz, Angelina

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Quantifying multiple breeding vital rates in two declining grassland songbirds by Bernath-Plaisted, Jacy S., Panjabi, Arvind O., Guido, Nicole A., Bell, Kelsey D., Drilling, Nancy E., Strasser, Erin H., Johnson, Sandra K., Correll, Maureen D.

“…Many studies of reproductive success in North American songbirds have focused on nesting success, while relatively few have evaluated breeding-season adult…”
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Habitat and space use of wintering Sprague's Pipits (Anthus spragueii) in northern Mexico by Strasser, Erin H., Ruvalcaba-Ortega, Irene, Peña-Peniche, Alexander, Panjabi, Arvind O., Martínez-Guerrero, José Hugo, Canales-del-Castillo, Ricardo, Correll, Maureen D.

“…Understanding home range size and habitat preferences is an important component of monitoring species in steep decline. Sprague's Pipit (Anthus spragueii) is a…”
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Winter survival of North American grassland birds is driven by weather and grassland condition in the Chihuahuan Desert by Macías-Duarte, Alberto, Panjabi, Arvind O., Strasser, Erin H., Levandoski, Greg J., Ruvalcaba-Ortega, Irene, Doherty, Paul F., Ortega-Rosas, Carmen I.

“…Populations of grassland birds that overwinter in the Chihuahuan Desert are declining more rapidly than other grassland birds, and survival during the…”
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Estimating uncertainty of North American landbird population sizes by Stanton, Jessica C., Blancher, Peter, Rosenberg, Kenneth V., Panjabi, Arvind O., Thogmartin, Wayne E.

“…An important metric for many aspects of species conservation planning and risk assessment is an estimate of total population size. For landbirds breeding in…”
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First Record of Grasshopper Sparrow (Ammodramus savannarum) Breeding in the Grasslands of Durango, México, with Notes on Nesting Sites and Habitat by Arroyo-Arroyo, Samuel Ignacio, Pereda-Solís, Martin Emilio, Martínez-Guerrero, José Hugo, Sierra-Franco, Daniel, Montes-Aldaba, Andrea, Strasser, Erin H., Panjabi, Arvind O.

“…Grassland birds are one of the most rapidly declining bird guilds in North America, likely as a result of the loss and degradation of native grasslands. The…”
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Home range and habitat use of wintering Vesper Sparrows in grasslands of the Chihuahuan Desert in Mexico by Macías-Duarte, Alberto, Panjabi, Arvind O.

“…Grassland birds are declining at an alarming rate and habitat limitation on the wintering grounds may play a major role in population declines. In an attempt…”
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Primer development for amplification of toll-like genes for the assessment of adaptive genetic diversity in vulnerable grassland bird species by Chávez-Treviño, Alejandro, Canales-del-Castillo, Ricardo, Ruvalcaba-Ortega, Irene, Reséndez-Pérez, Diana, González-Rojas, José Ignacio, Guzmán-Velasco, Antonio, Panjabi, Arvind O.

“…Assessing genetic diversity in species of conservation concern is a critical parameter to implement management plans that may increase their viability…”
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Análisis comparativo entre inviernos consecutivos en la selección del hábitat de gorriones de pastizal: precipitación pluvial y banco de semillas by Martínez Guerrero, José Hugo, Pereda Solis, Martin Emilio, Sierra Franco, Daniel, Salazar Borunda, Manuel Armando, Tarango Arambula, Luis Antonio, Strasser, Erin H., Panjabi, Arvind

“…La distribución de los recursos utilizados por las aves direcciona procesos ecológicos como la selección del hábitat. El objetivo del presente estudio fue…”
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