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Smith, D. Max, Finch, Deborah M., Stoleson, Scott H. |
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Smith, D. Max, Finch, Deborah M., Stoleson, Scott H., Smith, D. Max, Finch, Deborah M., Stoleson, Scott H. |
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smith, d. max |
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The Southwestern Naturalist |
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<p>We compared plants used as sites for nests and survival of nests of black-chinned hummingbirds (Archilochus alexandrí) along two rivers in New Mexico. Along the free-flowing Gila River which was dominate by native plants, most nests were constructed in boxelder (Acer negando). Along the flow-restricted Middle Rio Grande which was dominated by nonnative plants, most nests were constructed in nonnative plants such as Russian olive (Elaeagnus angustifolia) and saltcedar (Tamarix). Mean nest height varied among species of plan used as nesting sites but was about 4 m at each study area. Logistic exposure-estimates of survival of nests were considerably higher along the Middle Rio Grande (52%) than the along the Gila River (23%). Survival of nests was influenced by nest height and species of plant used as nesting site, with survival rates of nests greatest at mean heights in Russian olive and saltcedar. Our results highlight considerable variation in nesting characteristics between two study areas and show that subcanopy nest-sites are essential components of productive habitat for this species. Comparamos plantas usadas como lugares para nidos y supervivencia de nidos del colibrí barbinegro (Archilochus alexandrí) a lo largo de dos ríos en Nuevo México. En el río Gila, que fluye libremen y tiene predominio de plantas nativas, la mayoría de los nidos fueron construidos de arce negundo (Acer negando). A lo largo de la parte media del río Bravo, cuyo flujo es restringido y tiene predominio de plantas no nativas, la mayoría de los nidos fueron construidos con plantas no nativas, como el árbol del paraíso (Elaeagnus angustifolia) y el pino salado (Tamarix). La altura media de los nidos varió entre las diferentes especies de plantas usadas como lugares para anidar, pero en cada área de estudio fue de aproximadamente 4 m. Las tasas logísticas de supervivencia incluyendo la exposición de los nidos fueron considerablemente más altas en la parte media del río Bravo (52%) que en el río Gila (23%). La supervivencia de los nidos fue influida por la altura de los nidos y la especie de planta usada como lugar para anidar, con las tasas de supervivencia de nidos más altas en las alturas medias en el árbol del paraíso y el pino salado. Nuestros resultados destacan una variación considerable en las características de anidación entre las dos áreas de estudio y muestran que los lugares de anidación en el subdosel son componentes esenciales del habitat productivo de esta especie.</p> |
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Southwestern Association of Naturalist, 2014 |
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Southwestern Association of Naturalist, 2014 |
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DE-D13, DE-14 |
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0038-4909 |
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0038-4909 |
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English |
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smith2014nestlocationandnestsurvivalofblackchinnedhummingbirdsinnewmexicoacomparisonbetweenriverswithdifferinglevelsofregulationandinvasionofnonnativeplants |
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JSTOR Life Sciences Archive |
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193-198 |
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2014 |
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2014 |
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Southwestern Association of Naturalist |
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The Southwestern Naturalist |
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Smith, D. Max Finch, Deborah M. Stoleson, Scott H. 0038-4909 Southwestern Association of Naturalist https://www.jstor.org/stable/44731711 <p>We compared plants used as sites for nests and survival of nests of black-chinned hummingbirds (Archilochus alexandrí) along two rivers in New Mexico. Along the free-flowing Gila River which was dominate by native plants, most nests were constructed in boxelder (Acer negando). Along the flow-restricted Middle Rio Grande which was dominated by nonnative plants, most nests were constructed in nonnative plants such as Russian olive (Elaeagnus angustifolia) and saltcedar (Tamarix). Mean nest height varied among species of plan used as nesting sites but was about 4 m at each study area. Logistic exposure-estimates of survival of nests were considerably higher along the Middle Rio Grande (52%) than the along the Gila River (23%). Survival of nests was influenced by nest height and species of plant used as nesting site, with survival rates of nests greatest at mean heights in Russian olive and saltcedar. Our results highlight considerable variation in nesting characteristics between two study areas and show that subcanopy nest-sites are essential components of productive habitat for this species. Comparamos plantas usadas como lugares para nidos y supervivencia de nidos del colibrí barbinegro (Archilochus alexandrí) a lo largo de dos ríos en Nuevo México. En el río Gila, que fluye libremen y tiene predominio de plantas nativas, la mayoría de los nidos fueron construidos de arce negundo (Acer negando). A lo largo de la parte media del río Bravo, cuyo flujo es restringido y tiene predominio de plantas no nativas, la mayoría de los nidos fueron construidos con plantas no nativas, como el árbol del paraíso (Elaeagnus angustifolia) y el pino salado (Tamarix). La altura media de los nidos varió entre las diferentes especies de plantas usadas como lugares para anidar, pero en cada área de estudio fue de aproximadamente 4 m. Las tasas logísticas de supervivencia incluyendo la exposición de los nidos fueron considerablemente más altas en la parte media del río Bravo (52%) que en el río Gila (23%). La supervivencia de los nidos fue influida por la altura de los nidos y la especie de planta usada como lugar para anidar, con las tasas de supervivencia de nidos más altas en las alturas medias en el árbol del paraíso y el pino salado. Nuestros resultados destacan una variación considerable en las características de anidación entre las dos áreas de estudio y muestran que los lugares de anidación en el subdosel son componentes esenciales del habitat productivo de esta especie.</p> NEST-LOCATION AND NEST-SURVIVAL OF BLACK-CHINNED HUMMINGBIRDS IN NEW MEXICO: A COMPARISON BETWEEN RIVERS WITH DIFFERING LEVELS OF REGULATION AND INVASION OF NONNATIVE PLANTS The Southwestern Naturalist |
| spellingShingle |
Smith, D. Max, Finch, Deborah M., Stoleson, Scott H., The Southwestern Naturalist, NEST-LOCATION AND NEST-SURVIVAL OF BLACK-CHINNED HUMMINGBIRDS IN NEW MEXICO: A COMPARISON BETWEEN RIVERS WITH DIFFERING LEVELS OF REGULATION AND INVASION OF NONNATIVE PLANTS |
| title |
NEST-LOCATION AND NEST-SURVIVAL OF BLACK-CHINNED HUMMINGBIRDS IN NEW MEXICO: A COMPARISON BETWEEN RIVERS WITH DIFFERING LEVELS OF REGULATION AND INVASION OF NONNATIVE PLANTS |
| title_full |
NEST-LOCATION AND NEST-SURVIVAL OF BLACK-CHINNED HUMMINGBIRDS IN NEW MEXICO: A COMPARISON BETWEEN RIVERS WITH DIFFERING LEVELS OF REGULATION AND INVASION OF NONNATIVE PLANTS |
| title_fullStr |
NEST-LOCATION AND NEST-SURVIVAL OF BLACK-CHINNED HUMMINGBIRDS IN NEW MEXICO: A COMPARISON BETWEEN RIVERS WITH DIFFERING LEVELS OF REGULATION AND INVASION OF NONNATIVE PLANTS |
| title_full_unstemmed |
NEST-LOCATION AND NEST-SURVIVAL OF BLACK-CHINNED HUMMINGBIRDS IN NEW MEXICO: A COMPARISON BETWEEN RIVERS WITH DIFFERING LEVELS OF REGULATION AND INVASION OF NONNATIVE PLANTS |
| title_short |
NEST-LOCATION AND NEST-SURVIVAL OF BLACK-CHINNED HUMMINGBIRDS IN NEW MEXICO: A COMPARISON BETWEEN RIVERS WITH DIFFERING LEVELS OF REGULATION AND INVASION OF NONNATIVE PLANTS |
| title_sort |
nest-location and nest-survival of black-chinned hummingbirds in new mexico: a comparison between rivers with differing levels of regulation and invasion of nonnative plants |
| url |
https://www.jstor.org/stable/44731711 |
