Reductoripoda absoluta gen. and sp. nov. and Allozetes lacandonicus sp. nov. are described from Mexico. Both species belong to the canopy fauna. Eight original figures are included.

Both mature and underdeveloped soils are present in tropical mountainous landscapes. The spatial arrangement of mountainous soils is ascribed mainly to geomorphologic processes. We studied two soil toposequences (one on a ...

Life cycles of living organisms are composed of distinct sub-cycles that represent alternative life-history paths with differential impact on fitness. We identified three reproductive life-history paths (referred here as ...

This review analyzes the historical development and advances of the research on arbuscular mycorrhizal fungi (AMF) in Mexico, as well as the prospects for future research. AMF-research has been focused on studying both ...

From the roots of Merremia dissecta (Jacq.) Hallier, M. tuberosa (L.) Rendle, Turbina corymbosa (L.) Raf. and Operculina pinnatifida (H.B.K.) O'Don, resins were isolated which are characteristic of the Convolvulaceae. The ...

The white mullet Mugil curema is distributed along the Gulf of Mexico and Pacific coasts and constitutes an important food resource in Mexico. However, during recent years the capture of this mugilid has decreased considerably, ...

Se abordó experimentalmente el estudio de la respuesta germinativa y el crecimiento de plántulas de Mammillaria magnimamma. Se determinó el porcentaje final de germinación y la velocidad de germinación de las semillas bajo ...