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    Wyświetlanie 1-4 z 4
    Tytuł:
    Antipodal mosses: XV. Taxonomy and distribution of Schistidium cupulare (Bryopsida: Grimmiaceae)
    Autorzy:
    Ochyra, Ryszard
    Powiązania:
    https://bibliotekanauki.pl/articles/2052053.pdf
    Data publikacji:
    2004
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Antarctica
    Subantarctica
    Tierra del Fuego
    Bryophyta
    Bryopsida
    Grimmiaceae
    Schistidium
    taxonomy
    distribution
    Źródło:
    Polish Polar Research; 2004, 25, 2; 123-133
    0138-0338
    2081-8262
    Pojawia się w:
    Polish Polar Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Nematodes of the Antarctic fishes
    Autorzy:
    Rocka, Anna
    Powiązania:
    https://bibliotekanauki.pl/articles/2052054.pdf
    Data publikacji:
    2004
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Antarctica
    Subantarctica
    Tierra del Fuego
    Bryophyta
    Bryopsida
    Grimmiaceae
    Schistidium
    taxonomy
    distribution
    Źródło:
    Polish Polar Research; 2004, 25, 2; 135-152
    0138-0338
    2081-8262
    Pojawia się w:
    Polish Polar Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Extractivismo, bienes comunes y disputas valorativas de actores urbanos en la Patagonia Sur: el conflicto por la extracción de áridos en la Reserva Costa Atlántica, Tierra del Fuego, Antártida e Islas del Atlántico Sur.
    Extractivism, Commons, and Valuation Disputes of Urban Actors in Southern Patagonia: The Conflict over the Extraction of Aggregates in the Costa Atlántica Reserve in Tierra del Fuego, Antarctica, and the South Atlantic Islands
    Autorzy:
    Finck, Nadia Belen
    Giomi, Karina Silvana
    Powiązania:
    https://bibliotekanauki.pl/articles/486538.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Warszawski. Wydawnictwa Uniwersytetu Warszawskiego
    Tematy:
    Conflicto ecológico distributivo
    bienes comunes
    lenguajes de la valoración
    extractivismo
    Reserva Costa Atlántica de Tierra del Fuego
    ecological distribution conflict
    commons
    languages of valuation
    extractivism
    Costa Atlántica Tierra del Fuego Reserve
    Opis:
    The purpose of this article is to elucidate the characteristics and effects of the contemporary extractive processes in the Austral Patagonia. The main idea is based on a case that has the participation of different actors with divergent interests and valuations. The follow up of this case has been done for three consecutive decades. This case analyzes the wealth of the existent theoretical contributions in order to recognize the following: a) different demands around environmental and spatial justice regarding an ecological-distributive conflict; b) the different voices that organize the positions assumed by the actors rooted into different rationalities and valuations; and c) the considerations needed in order to approach a multi-territorial process.
    El artículo propone dar cuenta de las características y efectos de los procesos extractivos contemporáneos en la Patagonia Austral, a partir de un caso en el que participan actores con valoraciones e intereses divergentes y que se extiende durante casi tres décadas. El caso permite analizar la riqueza de los aportes teóricos existentes para reconocer: a) las demandas en torno de justicia ambiental y justicia espacial en el marco de un conflicto ecológico-distributivo; b) las voces que organizan las posiciones de los actores, enraizadas en distintas racionalidades y valoraciones; y c) las consideraciones necesarias para abordar un proceso de carácter multiterritorial.
    Źródło:
    Revista del CESLA. International Latin American Studies Review; 2019, 23; 111-142
    1641-4713
    Pojawia się w:
    Revista del CESLA. International Latin American Studies Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Predation by drilling gastropods and asteroids upon mussels in rocky shallow shores of southernmost South America: Paleontological implications
    Autorzy:
    GORDILLO, SANDRA
    ARCHUBY, FERNANDO
    Powiązania:
    https://bibliotekanauki.pl/articles/945760.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    paleontology
    predation
    drilling gastropod
    gastropod
    Trophon geversianus
    Xymenopsis muriciformis
    Acanthina monodon
    asteroid
    Cosmasterias lurida
    Anasterias antarctica
    mussel
    Mytilus chilensis
    Brachidontes purpuratus
    Aulacomya atra
    rocky shore
    shallow shore
    South America
    Bivalvia
    Gastropoda
    Asteroidea
    prey selection
    taphonomy
    Tierra del Fuego
    Argentina
    Opis:
    To achieve a better understanding of predation pattern recorded in the fossil record it is essential to study predator−prey interactions in the modern seas. It includes the data collected from the field observations as well as from the experiments in captivity. Such an approach allows recognition of the bioeroders, its description and also provides quantification of these interactions. This work offers a case study of the traces of predation resulting from the predator−prey interactions between three mussels: Mytilus chilensis, Brachidontes purpuratus, and Aulacomya atra; and their five natural enemies: the gastropods Trophon geversianus, Xymenopsis muriciformis, and Acanthina monodon, and the asteroids Cosmasterias lurida and Anasterias antarctica living along the intertidal and/or subtidal rocky shores in Tierra del Fuego. The predatory damage to mussel shells varies according to the predator and prey species and techniques for attacking prey are highly specialized. A. monodon drills a hole in B. purpuratus but uses the outer lip of its shell as a wedge to open the valves of M. chilensis and A. atra. T. geversianus always makes holes, but while it drills the valve walls of M. chilensis, it prefers to drill the valve edges of A. atra and B. purpuratus, with different characteristic patterns. Usually the shells of mussels killed by C. lurida do not suffer from any mechanical damage, but some other shells were crushed or fractured along the margins. Comparatively, time required to successfully attack a prey was shorter in C. lurida (24 hours), followed by A. monodon (36 hours), and longer in T. geversianus (9 to 10 days). Traces of predation are not randomly distributed across size classes of mussel prey, reflecting selectivity for a particular size class. Also, drill holes are usually placed at specific sectors of the shell, indicating site selectivity. These observations offer some paleontological implications for investigating the pattern of predation in fossil record. They show that different patterns of shell damage can be due to different predator species (e.g., wall vs. edge drillings), although the same predator species can leave different marks when consuming different prey (e.g., T. geversianus). Most disconcerting for paleontologists are cases of predation which do not leave any marks on the prey shell detectable in the fossil record (e.g., predation by asteroids), or leave ambiguous marks (A. monodon when preying with the spine). In conclusion, besides the opportunity to identify some traces of predation by drilling gastropods in fossil mussels, this work gives criteria to address predation in some particular paleontological cases that would otherwise be dismissed by researchers.
    Źródło:
    Acta Palaeontologica Polonica; 2012, 57, 3; 633-646
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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