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Effect of the filling season on aquatic plants in Mediterranean temporary ponds

Journal of Plant Ecology 2018年第3期11卷 502-510页

作者： rocío fernández-zamudio Pablo García-Murillo Carmen Díaz-Paniagua Doñana Biological Station-CSIC Avda.Américo Vespucio s/n41092 SevilleSpain Department of Plant Biology and Ecology Faculty of PharmacyUniversity of SevilleSevilleSpain

Aims Pond environmental conditions may differ among years with regards to the season in which ponds begin to *** experimen-tally evaluated how seedling emergence,plant growth and phe-nology differed among years in which filling occurred in winter,autumn or *** We collected sediments from a natural temporary pond and located them in *** were placed in a climatic chamber that simulated annual variation in field environmental temperatures and light *** were assigned to one of three treat-ments,which differed in the date on which they were filled with water(autumn,winter and spring).We counted the number of seed-lings of different species emerged and recorded data about the pres-ence of flowers,seeds or spores every *** experiment was finished in June,when we harvested the plants and estimated their *** Findings In most species,seedling emergences were primarily related to time after filling,and thus synchronized their life cycles with the unpre-dictably timed wet phase of the *** filling resulted in the highest numbers of seeds/***,winter filling pro-moted plant growth the *** the spring filling treatment,more terrestrial plant seedlings emerged and fewer seeds/spores were *** ponds are flooded earlier,plants may produce a higher number of ***,in years when inundation is delayed to spring and hydroperiods are short,seedling emergence deplete the seed bank and there is little to no seed production,while terrestrial monocots are able to colonize pond basin.

关键词： Aquatic plants temporary ponds seed bank seedlings germination

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Trends in Global and Mexico Research in Wildfires: A Bibliometric Perspective

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open Journal of Forestry 2023年第2期13卷 182-199页

作者： Daniel Alejandro Cadena zamudio Betsabé Ruiz Guerra José Luis Arispe Vázquez José German Flores Garnica Leslie Carnero Avilés rocío Toledo Aguilar David Heriberto Noriega Cantú Adriana Antonio Bautista Juan Mayo Hernandez David Castillo Quiroz Norma Tolama Nava Roger Guevara Hernández Instituto Nacional de Investigaciones Forestales Agrícolas y Pecuarias Iguala de la Independencia Guerrero México Instituto de Ecología A.C Xalapa Veracruz México Instituto Nacional de Investigaciones Forestales Agrícolas y Pecuarias Tepatitlán Guadalajara México Instituto Nacional de Investigaciones Forestales Agrícolas y Pecuarias Delicias Chihuahua México Universidad Autónoma Agraria Antonio Narro Saltillo Coahuila México Instituto Nacional de Investigaciones Forestales Agrícolas y Pecuarias Saltillo Coahuila México

In the last two decades, unprecedented changes have taken place in the frequency and severity of wildfires;in different regions of the world, some fires were even classified as megafires. Although there are studies about the diverse effects of fire, which have made significant theoretical contributions, a comprehensive review of the changes in fire research is required to understand worldwide patterns, particularly in those countries where fire activity is on the rise, such is the case of Mexico. The objective of this study was to analyze the trends in the research on wildfires published in Mexico and worldwide over a 40-year timescale. For this purpose, the Web of Science database, bibliometric tools, and the keywords TI = Forest fire* oR TI = Wildfire* were used to extract as many articles as possible related to fires from 1980 to 2020, without being restricted to those studies whose title included any of the variants of the keywords. There were 8458 publications about fires in the vegetation cover, with a notable increase in the frequency of studies in the previous decade;52% of the studies were concentrated in five countries and 20% of the articles focused on the study of different aspects of the soil. Mexico ranks thirteenth in volume of scientific production and studies in the country have focused mainly on the description of the quantitative relationship between the size of the affected area and the number of occurrences in the landscape, meanwhile, studies on fires and the consequences on the biotic interactions have been little explored.

关键词： Global Warming Fire Regime Forest Ecosystems Biotic Interactions Anthropogenic Activities

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Trends in Global and Mexico Research in Wildfires: A Bibliometric Perspective

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open Journal of Forestry（林学期刊） 2023年第2期

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