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8 resultados encontrados para: AUTOR: Allen, Michael F.
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1.
Artículo
*Solicítelo con su bibliotecario/a
Global patterns and drivers of ecosystem functioning in rivers and riparian zones
Tiegs, Scott D. (autor) ; Costello, David M. (autor) ; Isken, Mark W. (autor) ; Woodward, Guy (autor) ; McIntyre, Peter B. (autor) ; Gessner, Mark O. (autor) ; Chauvet, Eric (autor) ; Griffiths, Natalie A. (autora) ; Flecker, Alex S. (autor) ; Acuña, Vicenç (autor) ; Albariño, Ricardo (autor) ; Allen, Daniel C. (autor) ; Alonso, Cecilia (autora) ; Andino, Patricio (autor) ; Arango, Clay (autor) ; Aroviita, Jukka (autora) ; Barbosa, Marcus V. M. (autor) ; Barmuta, Leon A. (autor) ; Baxter, Colden V. (autor) ; Bell, Thomas D. C. (autor) ; Bellinger, Brent (autor) ; Boyero, Luz (autora) ; Brown, Lee E. (autor) ; Bruder, Andreas (autora) ; Bruesewitz, Denise A. (autora) ; Burdon, Francis J. (autora) ; Callisto, Marcos (autor) ; Canhoto, Cristina (autora) ; Capps, Krista A. (autora) ; Castillo Uzcanga, María Mercedes (autora) ; Clapcott, Joanne (autora) ; Colas, Fanny (autora) ; Colón Gaud, Checo (autor) ; Cornut, Julien (autor) ; Crespo Pérez, Verónica (autora) ; Cross, Wyatt F. (autor) ; Culp, Joseph M. (autor) ; Danger, Michael (autor) ; Dangles, Olivier (autor) ; Eyto, Elvira de (autora) ; Derry, Alison M. (autora) ; Díaz Villanueva, Veronica (autora) ; Douglas, Michael M. (autor) ; Elosegi, Arturo (autor) ; Encalada, Andrea C. (autora) ; Entrekin, Sally (autora) ; Espinosa, Rodrigo (autor) ; Ethaiya, Diana (autora) ; Ferreira, Verónica (autora) ; Ferriol, Carmen (autora) ; Flanagan, Kyla M. (autora) ; Fleituch, Tadeusz (autor) ; Follstad Shah, Jennifer J. (autora) ; Frainer, André (autor) ; Friberg, Nikolai (autor) ; Frost, Paul C. (autor) ; Garcia, Erica A. (autora) ; García Lago, Liliana (autora) ; García Soto, Pavel Ernesto (autor) ; Ghate, Sudeep (autor) ; Giling, Darren P. (autor) ; Gilmer, Alan (autor) ; Gonçalves Jr., José Francisco (autor) ; Gonzales, Rosario Karina (autora) ; Graça, Manuel A. S. (autor) ; Grace, Mike (autor) ; Grossart, Hans Peter (autor) ; Guérold, François (autor) ; Gulis, Vlad (autor) ; Hepp, Luiz U. (autor) ; Higgins, Scott (autor) ; Hishi, Takuo (autor) ; Huddart, Joseph (autor) ; Hudson, John (autor) ; Imberger, Samantha (autora) ; Iñiguez Armijos, Carlos (autor) ; Iwata, Tomoya (autor) ; Janetski, David J. (autor) ; Jennings, Eleanor (autora) ; Kirkwood, Andrea E. (autora) ; Koning, Aaron A. (autor) ; Kosten, Sarian (autora) ; Kuehn, Kevin A. (autor) ; Laudon, Hjalmar (autor) ; Leavitt, Peter R. (autor) ; Lemes da Silva, Aurea L. (autora) ; Leroux, Shawn J. (autor) ; LeRoy, Carri J. (autora) ; Lisi, Peter J. (autor) ; MacKenzie, Richard (autor) ; Marcarelli, Amy M. (autora) ; Masese, Frank O. (autor) ; McKie, Brendan G. (autora) ; Oliveira Medeiros, Adriana (autora) ; Meissne, Kristian (autor) ; Miliša, Marko (autor) ; Mishra, Shailendra (autora) ; Miyake, Yo (autor) ; Moerke, Ashley (autora) ; Mombrikotb, Shorok (autor) ; Mooney, Rob (autor) ; Moulton, Tim (autor) ; Muotka, Timo (autor) ; Negishi, Junjiro N. (autor) ; Neres Lima, Vinicius (autor) ; Nieminen, Mika L. (autora) ; Nimptsch, Jorge (autor) ; Ondruch, Jakub (autor) ; Paavola, Riku (autor) ; Pardo, Isabel (autora) ; Patrick, Christopher J. (autor) ; Peeters, Edwin T. H. M. (autor) ; Pozo, Jesus (autor) ; Pringle, Catherine (autora) ; Prussian, Aaron (autor) ; Quenta, Estefania (autora) ; Quesada, Antonio (autor) ; Reid, Brian (autor) ; Richardson, John S. (autor) ; Rigosi, Anna (autora) ; Rincón, José (autor) ; Rîşnoveanu, Geta (autora) ; Robinson, Christopher T. (autor) ; Rodríguez Gallego, Lorena (autora) ; Royer, Todd V. (autor) ; Rusak, James A. (autor) ; Santamans, Anna C. (autora) ; Selmeczy, Géza B. (autora) ; Simiyu, Gelas (autora) ; Skuja, Agnija (autora) ; Smykla, Jerzy (autor) ; Sridhar, Kandikere R. (autor) ; Sponseller, Ryan (autor) ; Stoler, Aaron (autor) ; Swan, Christopher M. (autor) ; Szlag, David (autor) ; Teixeira de Mello, Franco (autor) ; Tonkin, Jonathan D. (autor) ; Uusheimo, Sari (autora) ; Veach, Allison M. (autora) ; Vilbaste, Sirje (autora) ; Vought, Lena B. M. (autora) ; Wang, Chiao Ping (autora) ; Webster, Jackson R. (autor) ; Wilson, Paul B. (autor) ; Woelf, Stefan (autor) ; Xenopoulos, Marguerite A. (autora) ; Yates, Adam G. (autor) ; Yoshimura, Chihiro (autor) ; Yule, Catherine M. (autora) ; Zhang, Yixin X. (autor) ; Zwart, Jacob A. (autor) ;
Contenido en: Science Advances Vol. 5, no. 1, art. eaav0486 (January 2019), p. 1-8 ISSN: 2375-2548
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2.
- Artículo con arbitraje
*Solicítelo con su bibliotecario/a
Ecological regime shift drives declining growth rates of sea turtles throughout the West Atlantic
Bjorndal, Karen A. ; Bolten, Alan B. (coaut.) ; Chaloupka, Milani (coaut.) ; Saba, Vincent S. (coaut.) ; Bellini, Cláudio (coaut.) ; Marcovaldi, Maria A. G. (coaut.) ; Santos, Armando J. B. (coaut.) ; Wurdig Bortolon, Luis Felipe (coaut.) ; Meylan, Anne B. (coaut.) ; Meylan, Peter A. (coaut.) ; Gray, Jennifer (coaut.) ; Hardy, Robert (coaut.) ; Brost, Beth (coaut.) ; Bresette, Michael (coaut.) ; Gorham, Jonathan C. (coaut.) ; Connett, Stephen (coaut.) ; Van Sciver Crouchley, Barbara (coaut.) ; Dawson, Mike (coaut.) ; Hayes, Deborah (coaut.) ; Diez, Carlos E. (coaut.) ; van Dam, Robert P. (coaut.) ; Willis, Sue (coaut.) ; Nava, Mabel (coaut.) ; Hart, Kristen M. (coaut.) ; Cherkiss, Michael S. (coaut.) ; Crowder, Andrew G. (coaut.) ; Pollock, Clayton (coaut.) ; Hillis-Starr, Zandy (coaut.) ; Muñoz Tenería, Fernando A. (coaut.) ; Herrera Pavón, Roberto Luis (coaut.) ; Labrada Martagón, Vanessa (coaut.) ; Lorences, Armando (coaut.) ; Negrete Philippe, Ana (coaut.) ; Lamont, Margaret M. (coaut.) ; Foley, Allen M. (coaut.) ; Bailey, Rhonda (coaut.) ; Carthy, Raymond R. (coaut.) ; Scarpino, Russell (coaut.) ; McMichael, Erin (coaut.) ; Provancha, Jane A. (coaut.) ; Brooks, Annabelle (coaut.) ; Jardim, Adriana (coaut.) ; López Mendilaharsu, Maria de los Milagros (coaut.) ; González Paredes, Daniel (coaut.) ; Estrades, Andrés (coaut.) ; Fallabrino, Alejandro (coaut.) ; Martínez-Souza, Gustavo (coaut.) ; Vélez Rubio, Gabriela M. (coaut.) ; Boulon Jr., Ralf H. (coaut.) ; Collazo, Jaime A. (coaut.) ; Wershoven, Robert (coaut.) ; Guzmán Hernández, Vicente (coaut.) ; Stringell, Thomas B. (coaut.) ; Sanghera, Amdeep (coaut.) ; Richardson, Peter B. (coaut.) ; Broderick, Annette C. (coaut.) ; Phillips, Quinton (coaut.) ; Calosso, Marta (coaut.) ; Claydon, John A. B. (coaut.) ; Metz, Tasha L. (coaut.) ; Gordon, Amanda L. (coaut.) ; Landry Jr., Andre M. (coaut.) ; Shaver, Donna J. (coaut.) ; Blumenthal, Janice (coaut.) ; Collyer, Lucy (coaut.) ; Godley, Brendan J. (coaut.) ; McGowan, Andrew (coaut.) ; Witt, Matthew J. (coaut.) ; Campbell, Cathi L. (coaut.) ; Lagueux, Cynthia J. (coaut.) ; Bethel, Thomas L. (coaut.) ; Kenyon, Lory (coaut.) ;
Contenido en: Global Change Biology Vol. 23, no. 11 (November 2017), p. 4556–4568 ISSN: 1365-2486
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Resumen en: Inglés |
Resumen en inglés

Somatic growth is an integrated, individual-based response to environmental conditions, especially in ectotherms. Growth dynamics of large, mobile animals are particularly useful as bio-indicators of environmental change at regional scales. We assembled growth rate data from throughout the West Atlantic for green turtles, Chelonia mydas, which are long-lived, highly migratory, primarily herbivorous mega-consumers that may migrate over hundreds to thousands of kilometers. Our dataset, the largest ever compiled for sea turtles, has 9690 growth increments from 30 sites from Bermuda to Uruguay from 1973 to 2015. Using generalized additive mixed models, we evaluated covariates that could affect growth rates; body size, diet, and year have significant effects on growth. Growth increases in early years until 1999, then declines by 26% to 2015. The temporal (year) effect is of particular interest because two carnivorous species of sea turtles—hawksbills, Eretmochelys imbricata, and loggerheads, Caretta caretta—exhibited similar significant declines in growth rates starting in 1997 in the West Atlantic, based on previous studies. These synchronous declines in productivity among three sea turtle species across a trophic spectrum provide strong evidence that an ecological regime shift (ERS) in the Atlantic is driving growth dynamics. The ERS resulted from a synergy of the 1997/1998 El Niño Southern Oscillation (ENSO)—the strongest on record—combined with an unprecedented warming rate over the last two to three decades. Further support is provided by the strong correlations between annualized mean growth rates of green turtles and both sea surface temperatures (SST) in the West Atlantic for years of declining growth rates (r = −.94) and the Multivariate ENSO Index (MEI) for all years (r = .74). Granger-causality analysis also supports the latter finding.

We discuss multiple stressors that could reinforce and prolong the effect of the ERS. This study.


3.
- Artículo con arbitraje
*Solicítelo con su bibliotecario/a
The conservation status of the world’s reptiles
Böhm, Monika ; Collen, Ben (coaut.) ; Baillie, Jonathan E. M. (coaut.) ; Bowles, Philip (coaut.) ; Chanson, Janice (coaut.) ; Cox, Neil (coaut.) ; Hammerson, Geoffrey (coaut.) ; Hoffmann, Michael (coaut.) ; Livingstone, Suzanne R. (coaut.) ; Ram, Mala (coaut.) ; Rhodin, Anders G. J. (coaut.) ; Stuart, Simon N. (coaut.) ; van Dijk, Peter Paul (coaut.) ; Young, Bruce E. (coaut.) ; Afuang, Leticia E. (coaut.) ; Aghasyan, Aram (coaut.) ; García, Andrés (coaut.) ; Aguilar, César (coaut.) ; Ajtic, Rastko (coaut.) ; Akarsu, Ferdi (coaut.) ; Alencar, Laura R.V. (coaut.) ; Allison, Allen (coaut.) ; Ananjeva, Natalia (coaut.) ; Anderson, Steve (coaut.) ; Andrén, Claes (coaut.) ; Ariano Sánchez, Daniel (coaut.) ; Arredondo, Juan Camilo (coaut.) ; Auliya, Mark (coaut.) ; Austin, Christopher C. (coaut.) ; Avci, Aziz (coaut.) ; Baker, Patrick J. (coaut.) ; Barreto Lima, André F. (coaut.) ; Barrio Amorós, César L. (coaut.) ; Basu, Dhruvayothi (coaut.) ; Bates, Michael F. (coaut.) ; Batistella, Alexandre (coaut.) ; Bauer, Aaron (coaut.) ; Bennett, Daniel (coaut.) ; Böhme, Wolfgang (coaut.) ; Broadley, Don (coaut.) ; Brown, Rafe (coaut.) ; Burgess, Joseph (coaut.) ; Captain, Ashok (coaut.) ; Carreira, Santiago (coaut.) ; Castañeda, Maria del Rosario (coaut.) ; Castro, Fernando (coaut.) ; Catenazzi, Alessandro (coaut.) ; Cedeño-Vázquez, J.R. (coaut.) ; Chapple, David G. (coaut.) ; Cheylan, Marc (coaut.) ; Cisneros Heredia, Diego F. (coaut.) ; Cogalniceanu, Dan (coaut.) ; Cogger, Hal (coaut.) ; Corti, Claudia (coaut.) ; Costa, Gabriel C. (coaut.) ; Couper, Patrick J. (coaut.) ; Courtney, Tony (coaut.) ; Crnobrnja Isailovic, Jelka (coaut.) ; Crochet, Pierre André (coaut.) ; Crother, Brian (coaut.) ; Cruz, Felix (coaut.) ; Daltry, Jennifer C. (coaut.) ; Ranjit Daniels, R. J. (coaut.) ; Das, Indraneil (coaut.) ; Silva, Anslemde (coaut.) ; Diesmos, Arvin C. (coaut.) ; Dirksen, Lutz (coaut.) ; Doan, Tiffany M. (coaut.) ; Dodd Jr., C. Kenneth (coaut.) ; Doody, J. Sean (coaut.) ; Dorcas, Michael E. (coaut.) ; Barros Filho, Jose Duarte de (coaut.) ; Egan, Vincent T. (coaut.) ; El Mouden, El Hassan (coaut.) ; Embert, Dirk (coaut.) ; Espinoza, Robert E. (coaut.) ; Fallabrino, Alejandro (coaut.) ; Feng, Xie (coaut.) ; Feng, Zhao Jun (coaut.) ; Fitzgerald, Lee (coaut.) ; Flores Villela, Oscar Alberto (coaut.) ; França, Frederico G. R. (coaut.) ; Frost, Darrell (coaut.) ; Gadsden, Hector (coaut.) ; Gamble, Tony (coaut.) ; Ganesh, S. R. (coaut.) ; Garcia, Miguel A. (coaut.) ; García Pérez, Juan E. (coaut.) ; Gatus, Joey (coaut.) ; Gaulke, Maren (coaut.) ; Geniez, Philippe (coaut.) ; Georges, Arthur (coaut.) ; Gerlach, Justin (coaut.) ; Goldberg, Stephen (coaut.) ; T. Gonzalez, Juan Carlos (coaut.) ; Gower, David J. (coaut.) ; Grant, Tandora (coaut.) ; Greenbaum, Eli (coaut.) ; Grieco, Cristina (coaut.) ; Guo, Peng (coaut.) ; Hamilton, Alison M. (coaut.) ; Hare, Kelly (coaut.) ; Blair Hedges, S. (coaut.) ; Heideman, Neil (coaut.) ; Hilton Taylor, Craig (coaut.) ; Hitchmough, Rod (coaut.) ; Hollingsworth, Bradford (coaut.) ; Hutchinson, Mark (coaut.) ; Ineich, Ivan (coaut.) ; Iverson, John (coaut.) ; Jaksic, Fabian M. (coaut.) ; Jenkins, Richard (coaut.) ; Joger, Ulrich (coaut.) ; Jose, Reizl (coaut.) ; Kaska, Yakup (coaut.) ; Kaya, Uğur (coaut.) ; Scott Keogh, J. (coaut.) ; Köhler, Gunther (coaut.) ; Kuchling, Gerald (coaut.) ; Kumlutas, Yusuf (coaut.) ; Kwet, Axel (coaut.) ; La Marca, Enrique (coaut.) ; Lamar, William (coaut.) ; Lane, Amanda (coaut.) ; Lardner, Bjorn (coaut.) ; Latta, Craig (coaut.) ; Latta, Gabrielle (coaut.) ; Lau, Michael (coaut.) ; Lavin, Pablo (coaut.) ; Lawson, Dwight (coaut.) ; LeBreton, Matthew (coaut.) ; Lehr, Edgar (coaut.) ; Limpus, Duncan (coaut.) ; Lipczynski, Nicola (coaut.) ; Lobo, Aaron S. (coaut.) ; López Luna, Marco Antonio (coaut.) ; Luiselli, Luca (coaut.) ; Lukoschek, Vimoksalehi (coaut.) ; Lundberg, Mikael (coaut.) ; Lymberakis, Petros (coaut.) ; Macey, Robert (coaut.) ; Magnusson, William E. (coaut.) ; Mahler, D. Luke (coaut.) ; Malhotra, Anita (coaut.) ; Mariaux, Jean (coaut.) ; Maritz, Bryan (coaut.) ; V. Marques, Otavio A. (coaut.) ; Márquez, Rafael (coaut.) ; Martins, Marcio (coaut.) ; Masterson, Gavin (coaut.) ; Mateo, José A. (coaut.) ; Mathew, Rosamma (coaut.) ; Mathews, Nixon (coaut.) ; Mayer, Gregory (coaut.) ; McCranie, James R. (coaut.) ; Measey, G. John (coaut.) ; Mendoza Quijano, Fernando (coaut.) ; Menegon, Michele (coaut.) ; Métrailler, Sébastien (coaut.) ; Milton, David A. (coaut.) ; Montgomery, Chad (coaut.) ; A. Morato, Sérgio A. (coaut.) ; Mott, Tami (coaut.) ; Muñoz Alonso, Luis Antonio (coaut.) ; Murphy, John (coaut.) ; Nguyen, Truong Q. (coaut.) ; Nilson, Göran (coaut.) ; Nogueira, Cristiano (coaut.) ; Núñez, Herman (coaut.) ; Orlov, Nikolai (coaut.) ; Ota, Hidetoshi (coaut.) ; Ottenwalder, José (coaut.) ; Papenfuss, Theodore (coaut.) ; Pasachnik, Stesha (coaut.) ; Passos, Paulo (coaut.) ; G. Pauwels, Olivier S. (coaut.) ; Pérez Buitrago, Néstor (coaut.) ; Pérez Mellado, Valentín (coaut.) ; Pianka, Eric R. (coaut.) ; Pleguezuelos, Juan (coaut.) ; Pollock, Caroline (coaut.) ; Ponce Campos, Paulino (coaut.) ; Powell, Robert (coaut.) (1948-) ; Pupin, Fabio (coaut.) ; Quintero Díaz, Gustavo Ernesto (coaut.) ; Radder, Raju (coaut.) ; Ramer, Jan (coaut.) ; Rasmussen, Arne R. (coaut.) ; Raxworthy, Chris (coaut.) ; Reynolds, Robert (coaut.) ; Richman, Nadia (coaut.) ; Rico, Edmund L. (coaut.) ; Riservato, Elisa (coaut.) ; Rivas, Gilson (coaut.) ; da Rocha, Pedro L.B. (coaut.) ; Rödel, Mark Oliver (coaut.) ; Rodríguez Schettino, Lourdes (coaut.) ; Roosenburg, Willem M. (coaut.) ; Ross, James Perran (coaut.) ; Sadek, Riyad (coaut.) ; Sanders, Kate (coaut.) ; Santos Barrera, Georgina (coaut.) ; Schleich, Hermann H. (coaut.) ; Schmidt, Benedikt R. (coaut.) ; Schmitz, Andreas (coaut.) ; Sharifi, Mozafar (coaut.) ; Shea, Glenn (coaut.) ; Shi, Hai Tao (coaut.) ; Shine, Richard (coaut.) ; Sindaco, Roberto (coaut.) ; Slimani, Tahar (coaut.) ; Somaweera, Ruchira (coaut.) ; Spawls, Steve (coaut.) ; Stafford, Peter (coaut.) ; Stuebing, Rob (coaut.) ; Sweet, Sam (coaut.) ; Sy, Emerson (coaut.) ; Temple, Helen J. (coaut.) ; Tognelli, Marcelo F. (coaut.) ; Tolley, Krystal (coaut.) ; Tolson, Peter J. (coaut.) ; Tuniyev, Boris (coaut.) ; Tuniyev, Sako (coaut.) ; Üzüm, Nazan (coaut.) ; van Buurt, Gerard (coaut.) ; Van Sluys, Monique (coaut.) ; Velasco, Alvaro (coaut.) ; Vences, Miguel (coaut.) ; Vesely, Milan (coaut.) ; Vinke, Sabine (coaut.) ; Vinke, Thomas (coaut.) ; Vogel, Gernot (coaut.) ; Vogrin, Milan (coaut.) ; Vogt, Richard C. (coaut.) ; Wearn, Oliver R. (coaut.) ; Werner, Yehudah L. (coaut.) ; Whiting, Martin J. (coaut.) ; Wiewandt, Thomas (coaut.) ; Wilkinson, John (coaut.) ; Wilson, Byron (coaut.) ; Wren, Sally (coaut.) ; Zamin, Tara (coaut.) ; Zhou, Kaiya (coaut.) ; Zug, George (coaut.) ;
Contenido en: Biological Conservation Vol. 157, (January 2013), p. 372–385 ISSN: 0006-3207
Bibliotecas: San Cristóbal
Cerrar
SIBE San Cristóbal
37364-20 (Disponible)
Disponibles para prestamo: 1
Nota: Solicítelo con su bibliotecario/a
Resumen en: Inglés |
Resumen en inglés

Effective and targeted conservation action requires detailed information about species, their distribution, systematics and ecology as well as the distribution of threat processes which affect them. Knowledge of reptilian diversity remains surprisingly disparate, and innovative means of gaining rapid insight into the status of reptiles are needed in order to highlight urgent conservation cases and inform environmental policy with appropriate biodiversity information in a timely manner. We present the first ever global analysis of extinction risk in reptiles, based on a random representative sample of 1500 species (16% of all currently known species). To our knowledge, our results provide the first analysis of the global conservation status and distribution patterns of reptiles and the threats affecting them, highlighting conservation priorities and knowledge gaps which need to be addressed urgently to ensure the continued survival of the world’s reptiles. Nearly one in five reptilian species are threatened with extinction, with another one in five species classed as Data Deficient. The proportion of threatened reptile species is highest in freshwater environments, tropical regions and on oceanic islands, while data deficiency was highest in tropical areas, such as Central Africa and Southeast Asia, and among fossorial reptiles. Our results emphasise the need for research attention to be focussed on tropical areas which are experiencing the most dramatic rates of habitat loss, on fossorial reptiles for which there is a chronic lack of data, and on certain taxa such as snakes for which extinction risk may currently be underestimated due to lack of population information. Conservation actions specifically need to mitigate the effects of human-induced habitat loss and harvesting, which are the predominant threats to reptiles.


4.
Artículo
*En hemeroteca, SIBE-San Cristóbal
Effects of vegetation thinning on above- and belowground carbon in a seasonally dry tropical forest in Mexico
Vargas, Rodrigo ; Allen, Edith B. (coaut.) ; Allen, Michael F. (coaut.) ;
Contenido en: Biotropica Vol. 41, no. 3 (May 2009), p. 302-311 ISSN: 0006-3606
Bibliotecas: San Cristóbal
Cerrar
SIBE San Cristóbal
47334-10 (Disponible)
Disponibles para prestamo: 1
Nota: En hemeroteca, SIBE-San Cristóbal
Resumen en: Inglés |
Resumen en inglés

Mature tropical forests are disappearing and secondary forests are becoming more abundant, thus there is an increasing need to understand the ecology and management of secondary forests. In the Yucatan Peninsula, Mexico, seasonally dry tropical forests are subject to frequent fire, and early-successional stands are extremely dense. We applied vegetation thinning (removal of all stems < 2 cm in diameter) to hasten secondary succession and open the understory to reduce the fire ladder in an 11-yr-old stand. We quantified the effect of vegetation thinning on above- and belowground carbon over 5 yr. Aboveground carbon included all standing vegetation and belowground carbon included fine roots and organic carbon in the Oi, Oe, and Oa soil horizons. Trees with diameter of 2-10 cm and > 10 cm had higher carbon accumulation rates in thinned plots than in control plots. Carbon stored in the Oi-horizon and the Oe > 2 mm fraction remained significantly higher in thinned plots even 5 yr after treatment. Carbon in fine roots was significantly higher in thinned plots, and radiocarbon (14C) data suggest that fine roots in thinned plots were recently produced in comparison with fine roots in control plots. We did not find significant differences in total ecosystem carbon after 5 yr (126 ± 6 and 136 ± 8 Mg C/ha, respectively). These results suggest rapid carbon recovery and support the hypothesis that young tropical forests thinned to hasten succession and reduce the fire hazard may have only a short-term negative impact on carbon accumulation in vegetation and soils.


5.
Artículo
*En hemeroteca, SIBE-San Cristóbal
Effects of mycorrhizae and nontarget organisms on restoration of a seasonal tropical forest in Quintana Roo, Mexico: factors limiting tree establishment
Allen, Michael F. ; Allen, Edith B. (coaut.) ; Gómez Pompa, Arturo (coaut.) ;
Contenido en: Restoration Ecology Vol. 13, no. 2 (june 2005), p. 325-333 ISSN: 1061-2971
Bibliotecas: San Cristóbal
Cerrar
SIBE San Cristóbal
B5423 (Disponible)
Disponibles para prestamo: 1
Nota: En hemeroteca, SIBE-San Cristóbal

6.
Artículo
*En hemeroteca, SIBE-San Cristóbal
Impacts of early- and late-seral mycorrhizae during restoration in seasonal tropical forest, Mexico
Allen, Edith B. ; Allen, Michael F. (coaut.) ; Egerton-Warburto, Louise (coaut.) ; Corkidi, Lea (coaut.) ; Gómez-Pompa, Arturo (coaut.) ;
Contenido en: Ecological Applications : A Publication of the Ecological Society of America Vol. 13, no. 6 (December 2003), p. 1701-1717 ISSN: 1051-0761
Bibliotecas: San Cristóbal
Cerrar
SIBE San Cristóbal
B10173 (Disponible)
Disponibles para prestamo: 1
Nota: En hemeroteca, SIBE-San Cristóbal
Resumen en: Español |
Resumen en español

Disturbance of vegetation and soil may change the species composition of arbuscular mycorrhizal fungi (AMF), which may in turn affect plant species responses to AMF. Seasonal tropical forest in Mexico is undergoing rapid conversion to early-successional forest because of increased wildfire and may require restoration. The responses of six early- and late-successional tree species were tested using early- and late-successional AMF inoculum. The plants were germinated in the shadehouse and received three inoculum treatments: (1) soil from a two-year-old burned site, (2) soil from a mature forest site, or (3) uninoculated controls. They were transplanted as seedlings to a site prepared by burning, and their growth was measured from September 1997 to November 2000. All six species had the greatest growth response to early-seral inoculum, but the response to late-seral inoculum varied. Two tree species, Ceiba pentandra and Guazuma ulmifolia, were smallest with late-seral inoculum, even smaller than the uninoculated plants, and the other species, Brosimum alicastrum, Havardia albicans, Acacia pennatula, and Leucaena leucocephala, had intermediate growth with late-seral inoculum.

Of these, Brosimum, Havardia, and Ceiba occur in late-successional forest, and the others are early seral. Of the several growth measurements (height, cover, biomass, stem diameter), stem-diameter responses to inoculum were still significantly different into the third year for four of the species. The uninoculated plants became infected by residual inoculum in the burned experimental site within three months of transplanting, yet mycorrhizal responses persisted. The treatment size differences may be due to different species composition of the inocula. The early-seral inoculum was dominated by small-spored Glomus spp., while the late-seral inoculum had a higher density of large-spored Gigasporaceae. The latter are known from greenhouse experiments to promote a smaller plant-growth response than Glomus. Mature forest trees may withstand the carbon drain from Gigasporaceae better than establishing seedlings, so the growth patterns we observed with inoculum source are consistent with a rapidly growing successional forest, followed by slower-growing mature forest. The results suggest that early-seral AMF should be used when seedlings are inoculated for restoration, even for late-seral tree species.


7.
- Libro con arbitraje
The lowland maya area: three millennia at the human-wildland interface / Arturo Gómez-Pompa, Michael Allen, Scott L. Fedick, Juan José Jiménez-Osornio, editors
Gómez Pompa, Arturo (editor) (1934-) ; Allen, Michael F. (editor) ; Fedick, Scott L. (editor) ; Jiménez Osornio, Juan José María (editor) ;
New York, New York, United States : Food Products Press , 2003
Clasificación: Y/304.20972 / L6
Bibliotecas: Campeche , Chetumal
Cerrar
SIBE Campeche
ECO040005142 (Disponible)
Disponibles para prestamo: 1
Cerrar
SIBE Chetumal
ECO030000909 (Disponible)
Disponibles para prestamo: 1
Resumen en: Inglés |
Resumen en inglés

Integrating history, biodiversity, ethnobotany, geology, ecology, archaeology, anthropology, and other disciplines, The Lowland Maya Area is a valuable guide to the fascinating relationship between man and his environment in the Yucatán peninsula. This book covers virtually every aspect of the biology and ecology of the Maya Lowlands and the many ways that human beings have interacted with their surroundings in that area for the last three thousand years. You'll learn about newly discovered archaeological evidence of wetland use; the domestication and use of cacao and henequen plants; a biodiversity assessment of a select group of plants, animals, and microorganisms; the area's forgotten cotton, indigo, and wax industries; the ecological history of the Yucatán Peninsula; and much more. This comprehensive book will open your eyes to all that we can learn from the Maya people, who continue to live on their native lands, integrating modern life with their old ways and teaching valuable lessons about human dependence on and management of environmental resources."


8.
Artículo
*En hemeroteca, SIBE-San Cristóbal
Fine root architecture of nine North American trees
Pregitzer, Kurt S. (autor) ; DeForest, Jared L. (autor) ; Burton, Andrew J. (autor) ; Allen, Michael F. (autor) ; Ruess, Roger W. (autor) ; Hendrick, Ronald L. (autor) ;
Contenido en: Ecological Monographs Vol. 72, no. 2 (May 2002), p. 293-309 ISSN: 1051-0761
Bibliotecas: San Cristóbal
Cerrar
SIBE San Cristóbal
29381-10 (Disponible)
Disponibles para prestamo: 1
Nota: En hemeroteca, SIBE-San Cristóbal