Results 101 to 110 of about 15,052 (221)
Austral Ecology, Volume 51, Issue 3, March 2026.ABSTRACT Migration is a global phenomenon shaping bird assemblages in response to seasonal climate variations. The Streamer‐tailed Tyrant (Gubernetes yetapa) is a Neotropical bird associated with wetlands. Although considered common across most of its range, its natural history remains poorly understood, and some authors have suggested it may exhibit ...
Thuani Luísa Saldanha Wagener +2 more
wiley +1 more source
Global Ecology and Conservation, 2020 Cattle ranching has led to a significant decrease in forest cover in the Neotropic. In this study we evaluate how medium- and large-sized mammals cope in these human-modified landscapes in the Paraguayan Dry Chaco, where by state law at least 25% of ...
Andrea Weiler +2 more
doaj +1 more source
Native and ornamental exotic resources in pollen loads and garbage pellets of four stingless bees (Apidae, Meliponini) in an urban environment with riparian native forest [PDF]
, 2019 An entomopalynological study to assess pollen use by wild bees was performed in an urban environment with riparian native forest in the Chaco region of Argentina.
Vossler, Favio Gerardo
core +1 more source
Records of the Crowned Eagle (Urubitinga coronata) in Moxos plains of Bolivia and observations about breeding behavior [PDF]
, 2012 The Crowned Eagle (Urubitinga coronata, Accipitridae) is a globally endangered raptor, endemic to central and southern South America. Little is known about this species in Bolivia and no nesting or prey data have been reported for the country until now ...
Berkunsky, Igor +6 more
core
Agricultural drought in the Claromecó river basin, Buenos Aires province, Argentina [PDF]
, 2008 The dry and wet periods affecting the Claromecó Creek Basin in the south of the Province of Buenos Aires were analysed applying Palmer’s Model. Palmer’s Drought Severity Index was calculated regionally for five towns for the 1904-1999 period.
Carbone, Maria Elizabeth +2 more
core +1 more source
Field trials of an improved cost-effective device for detecting peridomestic populations of Triatoma infestans (Hemiptera: Reduviidae) in rural Argentina [PDF]
, 2002 An improved device for detecting peridomestic Triatoma infestans consisting of one-liter recycled Tetra Brik milk boxes with a central structure was tested using a matched-pair study design in two rural areas in Argentina.
Ceballos, Leonardo A. +3 more
core +3 more sources
Ichthyological ecoregions of Argentina [PDF]
, 2002 The Argentine Republic is situated in the southernmost portion of the American continent, occupying over 2,785,600 km2 not including the Antarctic territory. The country ranges from subtropical areas (21º46’S) to subantarctic regions (55º03’S), extending
López, Hugo Luis +2 more
core
, 2010 We previously constructed a single molecular clock to date insect evolution that remains a cornerstone within entomological dating. The insect clock predicts that triatomine bugs, the vectors of South American trypanosomiasis, originated with the ...
Gaunt, Michael W, Patterson, James S
core +1 more source
Remote SensingAnthropogenic alteration of tropical and subtropical forests is a major driver of biodiversity loss; notably, the Chaco Forest, which is the largest dry forest in the Americas, is among the most impacted regions.
Francisco G. Alaggia +8 more
doaj +1 more source
Relevamiento de la producción de lacasa en aislamientos de Colletotrichum (Ascomycota), agente causal de antracnosis de la Soja [PDF]
, 2007 Colletotrichum truncatum es el hongo patógeno más comúnmente asociado con la antracnosis de soja. Aunque la enzima ligninolítica lacasa se relaciona con la patogenicidad de un amplio rango de hongos fitopatógenos, su rol biológico en la interacción ...
Gally, Marcela Edith +3 more
core