Results 111 to 120 of about 12,109 (197)

Regulatory factors in crustacean zooplankton assemblages in mountain lakes of northern Chilean Patagonia (38-41°S): a comparison with Bulgarian counterparts (42°N) Factores reguladores en ensambles de crustáceos zooplanctónicos en lagos de montaña del norte de la Patagonia chilena (38-41°S): una comparación con sus contrapartes de Bulgaria (42°N)

open access: yesLatin American Journal of Aquatic Research, 2012
Chilean Patagonia has protected mountainous areas with evergreen native forests; in which the lakes and rivers, of volcanic or glacial origin, are oligotrophic. In Bulgaria, there are mountainous zones with native forests and associated lakes of volcanic
Patricio De los Ríos-Escalante   +4 more
doaj  

De Índias Occidentales a Américas. ¿Por que no Columba? [PDF]

open access: yes, 2016
Esta conferencia tendrá un foco histórico, sobre la decisión de cómo llamar las nuevas tierras de las Américas. Será un sumario de los primeros tiempos de la conquista y colonización y del escenario político y científico de Europa de ese momento y en ...
D'Ambrosio, Ubiratan
core  

The native Amazonia of George Catlin: little known pictures and travel accounts [PDF]

open access: yes
Este artigo apresenta e discute, pela primeira vez com vistas à etnologia e à etno-história do Brasil, as narrativas de viagem e os trabalhos do pintor norte-americano George Catlin (1796-1872) na Amazônia, em 1852, e a contribuição de suas memórias e ...
PORRO, Antonio
core   +1 more source

Circular economy business strategies and public schemes: a game theory‐based survey

open access: yesInternational Transactions in Operational Research, Volume 33, Issue 5, Page 2827-2869, September 2026.
Abstract This paper develops a selected survey based on game theory in circular economy (CE) by complementing two perspectives: the CE business strategies and the public schemes (PS) available to implement CE systems. These perspectives are concentrated in six CE business strategies (circular inputs, sharing platforms, product‐as‐a‐service (PaaS ...
Vinay Ramani, Pietro De Giovanni
wiley   +1 more source

Breves notas sobre tres hongos gasteroides de la Patagonia Andina

open access: yesLilloa, 2014
Rugolo Maximiliano; Francisco Kuhar. 2014. “Breves notas sobre tres hongos gasteroides de la Patagonia Andina”. Lilloa 51 (1). Durante la revisión de ejemplares del género Geastrum del herbario BAFC, se encontraron dos colecciones de Patagonia sin ...
Maximiliano Rugolo, Francisco Kuhar
doaj  

Há cem anos, o IV centenário : onde estava o povo? [PDF]

open access: yes, 1993
O artigo aborda o papel dos historiadores e a participação social do povo entre 1462 e 1992, e como foram as comemorações dos IV e V centenários do Encontro de Dois Mundos, envolvendo festas religiosas brasileiras, onde estavam presentes franceses ...
Almeida, Jaime de
core  

The impacts of biological invasions

open access: yesBiological Reviews, Volume 101, Issue 3, Page 1255-1310, June 2026.
ABSTRACT The Anthropocene is characterised by a continuous human‐mediated reshuffling of the distributions of species globally. Both intentional and unintentional introductions have resulted in numerous species being translocated beyond their native ranges, often leading to their establishment and subsequent spread – a process referred to as biological
Phillip J. Haubrock   +42 more
wiley   +1 more source

Geological processes shaping freshwater biodiversity: a synthesis of global evidence

open access: yesBiological Reviews, Volume 101, Issue 3, Page 1568-1581, June 2026.
ABSTRACT Recent genomic data highlight the key roles of geological processes in shaping the diversification and biogeography of freshwater lineages. Specifically, physical processes such as tectonic uplift, erosion, glaciation, lake formation, and sea‐level fluctuation contribute extensively to the evolution of biotic diversity within and among ...
Jonathan M. Waters   +3 more
wiley   +1 more source

Telón de fondo: Paisajes de desierto y alteridad en la fotografía de la Patagonia (1880-1900) Backdrop: Desert and Alterity Landscapes in the Photography of Patagonia (1880-1900

open access: yesAisthesis, 2009
El paisaje patagónico construido por la fotografía del período 1880-1900 fue un marco en donde se llevó a cabo el ingreso civilizatorio. Luego de una caracterización general del problema (el paisaje desierto como «escenificación de ausencia») en torno a ...
Carlos Masotta
doaj  

Avaliação do crescimento in vitro de brotos de abacaxi ornamental (Anonas lucidus Miller) em meio de cultura bifásico. [PDF]

open access: yes, 2011
Este estudo foi realizado no Laboratorio de Cultura de Tecidos de Plantas da Embrapa Agroindustria Tropical , em Fortaleza,CE, e teve como objetivo avaliar o crescimento de brotos de abacaxi ornamental (Ananas lucidus Miller) em meio de cultura bifasico ...
BORGES, N. S. S.   +2 more
core  

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