Resultados de búsqueda - (ecologismo OR (((ecologista OR ecologistes) OR ecologies) OR ecologist))*

  1. 101
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  4. 104

    Fenología y potencial de almacenamiento de carbono de Picea martinezii T.F. Patterson en ecosistemas forestales de Nuevo León. por Valdés Castillo, Valeria Araceli

    Publicado 2018
    “…ABSTRACT With the purpose to contribute to the understanding of ecological role of Picea martinezii T.F. Patterson as carbon storage, due to the small size of its populations and is in Official Mexican Standard NOM-059-SEMARNAT-2010 in the category of danger of extinction. …”
    Enlace del recurso
    Tesis
  5. 105

    Composition, structure and diversity of a mesquite in Pesquería (Northeastern Mexico) por Alanís Rodríguez, Eduardo, Molina Guerra, Víctor Manuel, Jiménez Pérez, Javier, Rubio Camacho, Ernesto Alonso, Mora Olivo, Arturo, Collantes Chávez Costa, Alejandro, Marroquín Castillo, Jonathan Jesús

    Publicado 2017
    “…The research generated quantitative information of the plant community of a mesquite which is in a phase of mature ecological succession. Keywords: Importance value index, Margalef diversity index, Mesquital, Plant community, Prosopis glandulosa, Shannon index…”
    Enlace del recurso
    Artículo
  6. 106

    Estudio en familias: factores ambientales y culturales asociados al sobrepeso y obesidad por Gutiérrez Valverde, Juana Mercedes, Guevara Valtier, Milton Carlos, Enríquez Reyna, María Cristina, Paz Morales, María de los Ángeles, Hernández del Ángel, Martha Arely, Landeros Olvera, Erick Alberto

    Publicado 2017
    “…The Body Mass Index of adults was related to total kilocalories as a product of physical activity (rs=.594; p<.01) and with the subscales, eating ecology (rs=.160; p<.05) and nutritional value (rs=.242; p<.01). …”
    Enlace del recurso
    Artículo
  7. 107

    Naturally-occurring stable isotopes as direct measures of larval feeding efficiency, nutrient incorporation and turnover por Le Vay, Lewis, Gamboa Delgado, Julián

    Publicado 2011
    “…Thus results of studies of the effects of diet composition, developmental stage, growth rates or environmental conditions on stable isotope incorporation will be of broad relevance not only in terms of larval nutrition but can also more broadly inform the design and interpretation of ecological studies.…”
    Enlace del recurso
    Artículo
  8. 108

    Fenología y potencial de almacenamiento de carbono de Picea martinezii T.F. Patterson en ecosistemas forestales de Nuevo León. por Valdés Castillo, Valeria Araceli

    Publicado 2018
    “…ABSTRACT With the purpose to contribute to the understanding of ecological role of Picea martinezii T.F. Patterson as carbon storage, due to the small size of its populations and is in Official Mexican Standard NOM-059-SEMARNAT-2010 in the category of danger of extinction. …”
    Enlace del recurso
    Tesis
  9. 109
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  11. 111

    The principles of diversity and geographical proximity in an industrial ecosystem: social network analysis in the Toluca- Lerma region (Principios de diversidad y proximidad geogr... por Vázquez Zacarías, Manuel Alexis, Aguiñaga Maldonado, Eduardo Enrique, Alvarado Lagunas, Elías

    Publicado 2015
    “…Abstract. Industrial ecology allows the traditional model of industrial activity, where individual manufacturing process that takes raw materials in order to generate products, to be transformed into a more comprehensive model of a regional economy named industrial ecosystem. …”
    Enlace del recurso
    Artículo
  12. 112

    Dieta de la nutria neotropical (Lontra longicaudis annectens) en Pueblo Nuevo, Durango, México por Cruz García, Francisco, Contreras Balderas, Armando Jesús, García Salas, Juan Antonio, Gallo Reynoso, Juan Pablo

    Publicado 2017
    “…Neotropical otters are predator considered as an indicator of the quality of the aquatic ecosystems, the species is listed as threatened in Mexico; therefore it is essential to conduct studies to understand their biology and ecology. The monitoring was carried out for 2 consecutive years (2012-2013), a longitudinal section of the river of 8 km was surveyed, it was divided into 3 equal sections. …”
    Enlace del recurso
    Artículo
  13. 113

    Fire response of the endangered Pinus culminicola stands after 18 years in Cerro El Potosí, northeast Mexico por Arévalo Sierra, José Ramón, Estrada, Eduardo, Encina, Juan A., Villarreal, José A., Escobedo, Job R., Morales, Yaretzi, Cantú, Israel, González Rodríguez, Humberto, Uvalle Sauceda, José Isidro

    Publicado 2017
    “…Additional keywords: fire ecology; DCA; Permanova; richness. Abbreviations used: CIC (Cationic Interchange Complex); DCA (Detrended Correspondence Analysis); EC (Exchangeable Cation); OM (Organic Matter). …”
    Enlace del recurso
    Artículo
  14. 114

    Diversidad de especies arbóreas y arbustivas en áreas con distinto historial antropogénico en el matorral espinoso tamaulipeco por Alanís Rodríguez, Eduardo

    Publicado 2006
    “…Land use history influenced woody species diversity in that clear cutting and agriculture had the highest diversity values but not the highest species richness values. The specific ecological weight of each species was estimated for each plant community using abundance, dominance and frequency values. …”
    Enlace del recurso
    Tesis
  15. 115

    Impacto antropogénico en la región prioritaria para la conservación “El Tokio”, en el altiplano mexicano por Gutiérrez Gutiérrez, Maritza

    Publicado 2008
    “…The ejido “El Tokio” located within the Priority Conservation Region (named the same), comprises the habitat for several species of flora and fauna that have been catalogued in some status of conservation. In spite of the ecological relevance that this fact confers to the area, there is an evident deterioration of this ecosystem as it is demonstrated in the present study by the continuous clearing of the native grasslands for agriculture and the increased area used for this activity. …”
    Enlace del recurso
    Tesis
  16. 116

    Diversidad de especies arbóreas y arbustivas en áreas con distinto historial antropogénico en el matorral espinoso tamaulipeco por Alanís Rodríguez, Eduardo

    Publicado 2006
    “…Land use history influenced woody species diversity in that clear cutting and agriculture had the highest diversity values but not the highest species richness values. The specific ecological weight of each species was estimated for each plant community using abundance, dominance and frequency values. …”
    Enlace del recurso
    Tesis
  17. 117

    Impacto antropogénico en la región prioritaria para la conservación “El Tokio”, en el altiplano mexicano por Gutiérrez Gutiérrez, Maritza

    Publicado 2008
    “…The ejido “El Tokio” located within the Priority Conservation Region (named the same), comprises the habitat for several species of flora and fauna that have been catalogued in some status of conservation. In spite of the ecological relevance that this fact confers to the area, there is an evident deterioration of this ecosystem as it is demonstrated in the present study by the continuous clearing of the native grasslands for agriculture and the increased area used for this activity. …”
    Enlace del recurso
    Tesis
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