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181
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182
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183
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184
The arrival of Barn Swallows (Hirundo rustica) to a neotropical city is related to precipitation in wintering areas
“…Temperature was not related to arrivals, but February rainfall in Mexican wintering lands (one month prior to arrival date) showed a significant positive relationship with the migratory phe- nology of Barn Swallows. …”
info:eu-repo/semantics/articleWydane 2010 -
185
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186
The types of Ahodíus species described by Harold from Mexico with description of a new Genus (Coleoptera Scarabaeoidea: Ahodiidae)
“…In the present work, the tweive Mexican species of Aphodiini described by Haroid (azteca, flavocinctus, fuliginosus, grávidus, indutilis, lansbergei, luridiventris, mexicanas, oleosus, puncticeps, sallei and villosipes) are redescribed and illustrated with modern criteria based on the study of type material, leclotypes are aiso designated, The new genus Cephalocyclus is proposed for fuliginosus (type species), grávidus, luridiventris, mexicanus, puncticeps and villosipes. The taxonomía position of the remaining species-group taxa is aiso discussed in remarks. …”
OnlineWydane 1998 -
187
Record of Pinus discolor Bailey et Hawksworth in the Sierra de Monte Grande, San Luis Potosí, Mexico
“…The presence of a Pinus discolor forest in an isolated sierra of north central San Luis Potosí state has been confirmed. Position of stomata on both leaf surfaces, leaf length, number of leaves per fascicle, height, basal diameter of the shrubs and cone size correspond to the characteristics of this species. …”
OnlineWydane 1992 -
188
Nueva especie gipsícola de Pinguicula (Lentibulariaceae) del estado de Oaxaca, México
“…This new taxon is closely related to P. heterophylla Benth. in its long linear “summer leaves”, but differs in the form and position of the corolla lobes, in the production of vegetative buds in the leaf apex and in its adaptation to grow on gypsum soils.…”
OnlineWydane 2000 -
189
Neobuxbaumia tetetzo size and length of its apical spines in a light gradient under Mimosa luisana, a nurse shrub
“…Likewise, the correlation between N. tetetzo size and the distance from the nurse shrub was positive. A multiple regression analysis showed that the length of the apical thorns depends on the size of N. tetetzo individuals, but not on the distance from the nurse shrub. …”
OnlineWydane 2007 -
190
Variación de la robustez física de Sceloporus torquatus (Sauria: Iguanidae) y sus implicaciones sobre la temporada de reproducción.
“…There was a negative correlation between the gonadal somatic index and environmental factors and a posítive correlation between robustness index. This suggests that gonadic recrudescence was dependent on environmentai triggers and the robustness of the lizards.…”
OnlineWydane 1991 -
191
Contribution to the knowledge of five genres of the Familian Nitschkiaceae (Hymenoascomycetes: Sordariales)
“…Brief comments on the taxonomic position of Nitschkiaceae of the Sordariales (= Coronophorales) are given. …”
OnlineWydane 1996 -
192
Crecimiento de Schinopsis quebracho-colorado (Schlecht.) Barkl. et Meyer, Anacardiaceae
“…Growth rings have a maximum thickness at 61 years old.The evolution of shaft volume and the age are positive correlated, the same as the diameter, normal section and total height. …”
OnlineWydane 2016 -
193
Structure and composition of natural holm oaks in the Slate Altitude from Viñales Municipality, Pinar del Río, Cuba
“…Also, it was described the vertical structure through the richness of species in each stratum as well as its sociological position. The richness of the species proved a high floristic diversity associated to the oaks. …”
OnlineWydane 2019 -
194
PELLET: An Excel®-based procedure for estimating deer population density using the pellet-group counting method
“…The method assumes a positive linear relationship between the number of animals and the number of pellet-groups. …”
info:eu-repo/semantics/articleWydane 2014 -
195
Germination Response of the Epiphytic Cactus Rhipsalis baccifera (J. S. Miller) Stearn to Different Light Conditions and Water Availability
“…Seeds have the ability to germinate in both the internal and external positions of the tree crowns. The germinative requirements of R. baccifera indicate that it could colonize a wide range of light conditions in the canopy; however, substrate humidity and seed age could limit germination.…”
info:eu-repo/semantics/articleWydane 2010 -
196
The Asteraceae family in the state of Nayarit (Mexico)
“…The state of Nayarit occupies a strategic position in Mexico; it encompasses the vertex of three important mountain ranges (Eje Volcánico Transversal, Sierra Madre Occidental and Sierra Madre del Sur); this largely determines its high floristic diversity. …”
OnlineWydane 1998 -
197
Peridinium quinquecorne var. trispiniferum var. nov. (Dinophyceae) from a brackish environment
“…The number of spines and their position on antapical plates were features consistently observed over at least a nine years period. …”
info:eu-repo/semantics/articleWydane 2011 -
198
Flora y vegetación acuáticas de localidades selectas del estado de Querétaro
“…Se estudian la flora y vegetación acuáticas de los ríos, charcos temporales, presas y canales de riego de localidades selectas de Querétaro. …”
info:eu-repo/semantics/articleWydane 2001 -
199
Desarrollo de comunidades forestales sustentables en Chihuahua, México
“…The results showed that: 1) ethnographic interviews were a valuable complement to and cross-check on the participatory approaches to obtaining views from the community members about their community forest resource management, and 2) the SC achieved a greater awareness of development needs and created more positive attitudes and perceptions about community development in Basihuare more than Cusárare who did not receive the intervention (SC). …”
OnlineWydane 2016 -
200
Heliopsis suffruticosa (Compositae, Heliantheae), una nueva especie del occidente de Zacatecas
“…As other Heliopsis species, H. suffruticosa roots contain alkamides, in this case five diacetylenic conjugated next to a group methyl in the omega position, isobutyl alkamides.…”
OnlineWydane 2011