Effect of water level and salinity on the growth of Annona glabra L. seedlings
Por:
Abel Sanchez-Garcia, Edgar, Lopez-Rosas, Hugo, Sosa, Vinicio J., Lindig-Cisneros, Roberto, Moreno-Casasola, Patricia
Publicada:
1 jun 2022
Resumen:
During the last century the mean sea level has been increasing at a rate
of 0.2-0.4 mm center dot year(-1), and that rate is expected to
accelerate during this century. Coastal wetland ecosystems are sensitive
to the potential changes and impacts resulting from a rise in sea level.
In the coastal region of the Gulf of Mexico, freshwater swamps are
wetlands located further inland than mangroves, and while influenced by
the tides, maintain freshwater conditions. Due to their location, the
rise in sea level could increase the levels of flooding and salinity in
these ecosystems. The objective of this study was to evaluate, under
greenhouse conditions, the effect of nine flood and salinity treatments
on the survival, growth, and increase in the biomass of Annona glabra
(pond apple) seedlings (average height: 18.6 +/- 1.61 cm). The
treatments combined two factors: water level (Saturation, Flood,
Flood-Drought) and salinity (0, 5 and 15 parts per thousand). Seedling
survival was greater under freshwater conditions. Increases in height
and diameter, and leaf and biomass gain, were more significant under
saturation and freshwater conditions. Based on our results, we conclude
increased flood levels and salinity will negatively affect the natural
establishment of A. glabra seedlings in freshwater swamps under a
scenario of rising sea level.
Filiaciones:
Abel Sanchez-Garcia, Edgar:
Inst Ecol, Red Ecol Func, Carretera Antigua Coatepec 351, Xalapa 91073, Veracruz, Mexico
Lopez-Rosas, Hugo:
El Colegio Veracruz, Carrillo Puerto 26, Xalapa 91000, Veracruz, Mexico
Sosa, Vinicio J.:
Inst Ecol, Red Ecol Func, Carretera Antigua Coatepec 351, Xalapa 91073, Veracruz, Mexico
Lindig-Cisneros, Roberto:
Univ Nacl Autonoma Mexico, Inst Invest Ecosistemas & Sustentabilidad, Antigua Carretera Patzcuaro 8701, Morelia 58190, Michoacan, Mexico
Moreno-Casasola, Patricia:
Inst Ecol, Red Ecol Func, Carretera Antigua Coatepec 351, Xalapa 91073, Veracruz, Mexico
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