“…Introduction: Severe infestations by a sawfly species of the genus Zadiprion (Hymenoptera: Diprionidae), previously considered as Zadiprion howdeni, were detected in the forests of the Sierra Juárez of Oaxaca from 2018 to 2021.Objective: The objective was to corroborate the identity and generate information on biological and ecological aspects of the defoliator Zadiprion sp. affecting Pinus trees in the Sierra Norte of Oaxaca.Materials and methods: The biological development of the defoliator Zadiprion sp. was studied by field sampling in forests of Santa Catarina Ixtepeji. …”
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“…Introduction: Loxaulus hyalinus is a cynipid (Hymenoptera) that attacks oak groves (Quercus laeta Liebm.) in Mexico City. The insect’s biology and damage potential are unknown. Objectives: Describe the biology of the sexual phase of L. hyalinus and its effects on Q. laeta, and list the associated inquilines and parasitoids. …”
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Materias: Enlace del recurso
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“…The thematic diversity of his work, the dates of its appearance, research teaching, the contributions of his work to ethno sciences, agronomy, anthropology and biology and finally,his legacy to new generations are emphasized. …”
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“…A study was conducted in an ejido in the Sierra del Tentzo State Reserve in the state of Puebla, Mexico, with the aim of identifying the level of use of forest resources, the attitude of ejidatarios (ejido members) towards wildlife, particularly the white-tailed deer (Odocoileus virginianus), and their knowledge about deer biology and management that they have developed in their relationship with forest resources. …”
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“…The microbial load of a drinking water sample is an indicator of biological contamination that puts the health of the people who consume it at risk human health of people that consume it, for this, it is essential to guarantee this resource quality, which is important for the domestic consumption and functioning and continuity of the agricultural and industrial activities. …”
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“…Introduction: Zadiprion Rohwer is a genus of sawflies including seven species that cause defoliations in coniferous forests.Objective: To determine the species of Zadiprion sawflies infesting Pinus cembroides (Zucc.) in Miquihuana, Tamaulipas.Materials and methods: Biological material was collected from sawfly larvae. …”
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“…Conclusion: The anatomical description of M. rzedowskiana is a contribution to biological knowledge. From an economic point of view, this wood has potential use to produce pulp for paper.…”
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“…These strategies have been analyzed through systemic, ethno-biological, and gender, subsistence strategies of families from Amatenango del Valle, Chiapas; the role of peasant women in these strategies, and the elements that define that role. …”
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“…Since trees did not have the same morphology and biological characteristics, there were changes in yield, ripening and fruit size. …”
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“…Sites of 2000 m2 were surveyed within the coffee plantations, taking the emergent tree as the center to count the specimens and carry out dasometric, ecological and biological observations. 14 tree species were recorded, the most abundant being the chalahuite (Inga spuria) and the rarest the zopilote (Platimicium spp.), with the presence of epiphytes such as orchids and bromeliads, nests and burrows, which in addition to providing shade, protect the wild fauna and flora. …”
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“…Recently, the adjective integrated was added to the term watershed management, which reflects the concern to apply a holistic and systemic vision in the interventions of the physical, biological, social and economic subsystems of the watershed. …”
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“…These results allow to suggest that the fauna and the environment present favorable conditions for the fungus to develop its biological cycle in the area. This study support basis for future research on this fungal organism in relation to its adaptation to different natural environments.…”
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“…Introduction: The increase in the intensity of wood harvesting has a negative influence on ecosystem functions of soils in temperate and boreal forests.Objective: To understand the impacts of intensive and extensive forest management methods on the physical, chemical and biological properties of soils, and consequences on nutrient availability and stabilization processes in temperate and boreal forests.Results and discussion: Intensive forest management methods can generate greater imbalance in the processes of availability and stabilization of nutrients, compared to selective methods. …”
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“…However, there is a cultural richness and a biological diversity, for the configuration of a new agricultural territory with socio-environmental relations, according to the interest of the rural actors. …”
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“…The document includes seven proposals, which were accepted by all signatories as historical commitments to safeguard the cultural and biological heritage of the Maya.…”
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“…Due to the loss of biological and cultural diversity, current management and conservation strategies must necessarily consider the value and uses given to natural resources. …”
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