Results 11 to 20 of about 446 (147)

Growth and resilience responses of Scots pine to extreme droughts across Europe depend on predrought growth conditions. [PDF]

Glob Chang Biol, 2020
We examined tree growth resilience of Scots pine along a 2,800 km latitudinal gradient from southern Spain to north‐eastern Germany using 615 adult trees from 30 different sites. We found that the resilience of Scots pine to extreme drought decreased in mid‐elevation and low productivity sites from 1980–1999 to 2000–2011 due to more frequent and severe
Bose AK, Gessler A, Bolte A, Bottero A, Buras A, Cailleret M, Camarero JJ, Haeni M, Hereş AM, Hevia A, Lévesque M, Linares JC, Martinez-Vilalta J, Matías L, Menzel A, Sánchez-Salguero R, Saurer M, Vennetier M, Ziche D, Rigling A.   +19 more
europepmc   +2 more sources

From the ground up: Patterns and perceptions of herbaceous diversity in organic coffee agroecosystems

Ecological Solutions and Evidence, Volume 3, Issue 3, July–September 2022., 2022
Smallholder farms that transition to organic and biodiverse production are increasingly recognized as strongholds of agrobiodiversity. Yet the emergent herbaceous communities in these organic systems remain understudied, with the functional diversity and management of this stratum relatively unknown.
Sarah Archibald, Clementine Allinne, Carlos R. Cerdán, Marney E. Isaac   +3 more
wiley   +1 more source

Is the Impact of Ethylammonium Nitrate on Soil Basal Respiration Modified by Addition of Aluminium Salt to Improve the Performance in Electrochemical Applications?

Chemistry Proceedings, 2021
Interest in the possible use of EAN in electronic devices has increased in recent years. EAN can be used directly as an electrolyte, but its application could potentially be optimized by mixing with a metal salt such as Al(NO3)3.
Teresa Sixto, María Eugenia Priano, Juan J. Parajó, Carmen Trasar-Cepeda   +3 more
doaj   +1 more source

Cacao flower visitation: Low pollen deposition, low fruit set and dominance of herbivores

Ecological Solutions and Evidence, Volume 3, Issue 2, April–June 2022., 2022
Pollination of native cacao is surprisingly understudied, even though the process is crucial for the global chocolate production. In an understudied peruvian region, we found herbivores as dominant flower visitors, and low pollen deposition.Fruit set was low when flowers were pollinated naturally (2%), but also manually (7%). Our findings highlight the
Justine Vansynghel, Carolina Ocampo‐Ariza, Bea Maas, Emily A. Martin, Evert Thomas, Tara Hanf‐Dressler, Nils‐Christian Schumacher, Carlos Ulloque‐Samatelo, Teja Tscharntke, Ingolf Steffan‐Dewenter   +9 more
wiley   +1 more source

Contrasting trends in biodiversity of birds and trees during succession following cacao agroforest abandonment

Journal of Applied Ecology, Volume 58, Issue 6, Page 1248-1260, June 2021., 2021
Our research highlights the value of actively cultivated cacao agroforests and secondary forest alongside primary forests as reservoirs of biodiversity. By supporting both biodiversity and livelihoods, traditionally grown shade‐cacao agroforests fall within a people and nature framework.
Haley Arnold, Amy E. Deacon, Mark F. Hulme, Alex Sansom, Dan Jaggernauth, Anne E. Magurran   +5 more
wiley   +1 more source

Distribución histórica, actual y futura de Cedrela odorata en México

Acta Botanica Mexicana, 2018
Antecedentes y Objetivos: Los bosques tropicales juegan un papel indispensable para enfrentar y reducir la degradación ambiental. El objetivo de este trabajo fue determinar, mediante modelos de simulación de nicho ecológico, la distribución histórica y ...
Jonathan Hernández Ramos, Roberto Reynoso Santos, Adrian Hernández Ramos, Xavier García Cuevas, Edgar Hernández-Máximo, José Vidal Cob Uicab, Dante Sumano López   +6 more
doaj   +1 more source

Sistemas agroforestales

Ciencia & Investigación Forestal, 1992
En la búsqueda de estrategias para enfrentar, frenar y superar el deterioro progresivo de la calidad de vida de los habitantes de las zonas rurales, se utiliza el concepto de manejo integral de los recursos naturales. En este contexto los sistemas agroforestales constituyen una herramienta a través de la cual se puede dar soluciones a los grandes ...
Susana Benedetti Ruiz, Nicolás Espinoza R.   +1 more
openaire   +2 more sources

Dinámicas de cambio de las coberturas del suelo y su impacto en el sector suroriental de Pasto, Colombia

Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales, 2023
La cuenca alta del río Pasto exhibe coberturas de bosque altoandino y páramo de gran relevancia para la provisión y regulación de servicios ecosistémicos.
Samia-del-Mar Yela-Lara, Aida-Elena Baca-Gamboa   +1 more
doaj   +1 more source

Almacenamiento de carbono en sistemas agroforestales

Revista Científica Pakamuros, 2023
Sr. Editor: Se ha leído el artículo “Almacenamiento de carbono en sistemas agroforestales cafetaleros en las provincias de Jaén y San Ignacio, Cajamarca”, Vol. 4 Núm. 1 (2016). Menciona que para estimar la cantidad de biomasa viva se usó el método directo e indirecto a través de la extracción y fragmentación de sus componentes y haciendo uso de ...
Duberli Elera, Fernando Alain Incio Flores   +1 more
openaire   +1 more source

Tipología de sistemas de producción en la zona rural del municipio de Ibagué, Colombia.

Agronomía Mesoamericana, 2016
El objetivo de este estudio fue realizar una tipificación de las fincas de la zona rural de Ibagué, Colombia. Se aplicaron 55 encuestas entre marzo y abril del 2013, en cinco corregimientos.
Cristina Rocha-Rodríguez, Jairo Mora-Delgado, Jenny Catalina Romero-Vargas   +2 more
doaj   +1 more source