Centers of Origin and Related Concepts

Croizat, Léon; Nelson, Gareth; Rosen, Donn Eric

doi:10.2307/2412139

Cited by 265 publications

(54 citation statements)

References 12 publications

(14 reference statements)

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“…Although they are congeneric, they seem to represent two stocks long separated from each other (McDowall 1971). Galaxiids seem to belong to a pan-Austral Gondwanan biota that was fragmented in the Mesozoic (Croizat et al 1974;Rosen 1974Rosen , 1978, but results obtained by Berra et al (1996) support McDowall's (1970 dispersal hypothesis (movement through the sea). During the recent post-glacial period the lakes in the Andes were probably colonised by fish coming from two areas at the same time.…”

Section: Introductionmentioning

confidence: 77%

Spatial and temporal distribution of landlockedGalaxias maculatusandGalaxias platei(Pisces: Galaxiidae) in a lake in the South American Andes

Barriga¹,

Battini²,

Macchi³

et al. 2002

New Zealand Journal of Marine and Freshwater Research

127

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Galaxiids are present in many of the Andean lakes in southern South America. We studied landlocked Galaxias maculatus (Jenyns) and Galaxias platei Steindachner populations in a deep oligotrophic lake (Lake Gutiérrez, Patagonia, Argentina). Their temporal and spatial distribution, intralacustrine movements (horizontal and vertical), and spawning periods were analysed using several sampling techniques (ichthyoplankton net, seine net, gill net, and baited benthic taps). We identified the early life stages of both species based on their morphology and otolith shape. The free embryos of both species migrate to the limnetic zone, where they coexist as larvae, facing the same food availability and probably the same predation risk. Each species then moves on to its own juvenile and adult habitat: the littoral and benthic zone for G. maculatus and only the deeper benthic zone for G. platei. Their adult habitats and part of their spawning periods partly overlap.

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Section: Introductionmentioning

confidence: 77%

Spatial and temporal distribution of landlockedGalaxias maculatusandGalaxias platei(Pisces: Galaxiidae) in a lake in the South American Andes

Barriga¹,

Battini²,

Macchi³

et al. 2002

New Zealand Journal of Marine and Freshwater Research

127

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“…Studies of vicariance received a boost in the 1970s when Gareth Nelson, Donn Rosen and Norman Platnick at the American Museum of Natural History gave strong support to Croizat's ideas (e.g. Croizat et al, 1974). This led to a critical reappraisal of marine biogeography by a growing number of authors through the 1980s and 1990s.…”

Section: Systems Because Of Self-recruitmentmentioning

confidence: 99%

“…In an important review of marine biogeography in the Pacific, Kay (1980) wrote that 'Several recent biogeographers have shifted the frame of reference from dispersalist theory to the vicariance theory of Croizat (1958;Croizat et al, 1974) . .…”

Section: Systems Because Of Self-recruitmentmentioning

confidence: 99%

Towards a panbiogeography of the seas

Heads

2005

Biological Journal of the Linnean Society

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A contrast is drawn between the concept of speciation favoured in the Darwin-Wallace biogeographic paradigm (founder dispersal from a centre of origin) and in panbiogeography (vicariance or allopatry). Ordinary ecological dispersal is distinguished from founder dispersal. A survey of recent literature indicates that ideas on many aspects of marine biology are converging on a panbiogeographic view. Panbiogeographic conclusions supported in recent work include the following observations: fossils give minimum ages for groups and most taxa are considerably older than their earliest known fossil; Pacific/Atlantic divergence calibrations based on the rise of the Isthmus of Panama at 3 Ma are flawed; for these two reasons most molecular clock calibrations for marine groups are also flawed; the means of dispersal of taxa do not correlate with their actual distributions; populations of marine species may be closed systems because of self-recruitment; most marine taxa show at least some degree of vicariant differentiation and vicariance is surprisingly common among what were previously assumed to be uniform, widespread taxa; mangrove and seagrass biogeography and migration patterns in marine taxa are best explained by vicariance; the Indian Ocean and the Pacific Ocean represent major biogeographic regions and diversity in the Indo-Australian Archipelago is related to Indian Ocean/Pacific Ocean vicariance; distribution in the Pacific is not the result of founder dispersal; distribution in the south-west Pacific is accounted for by accretion tectonics which bring about distribution by accumulation and juxtaposition of communities; tectonic uplift and subsidence can directly affect vertical distribution of marine communities; substantial parallels exist between the biogeography of terrestrial and marine taxa; biogeographically and geologically composite areas are tractable using panbiogeographic analysis; metapopulation models are more realistic than the mainland/island dispersal models used in the equilibrium theory of island biogeography; and regional biogeography is a major determinant of local community composition.

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“…El centro de origen de una especie es el área geográfica en donde surge este taxon y desde el cual se dispersó y adquirió su distribución actual (Croizat et al, 1974). El centro de domesticación de una planta con manejo agrícola es aquella región en donde ocurrió la domesticación más temprana de las plantas silvestres que constituyen los sistemas de alimentación de los distintos pueblos (Engels et al, 2006;Boege, 2009).…”

Section: Introductionunclassified

Centros de origen, domesticación y diversidad genética de la ciruela mexicana, Spondias purpurea (Anacardiaceae)

2017

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Antecedentes y Objetivos: La identificación de poblaciones silvestres, con manejo agrícola o silvícola en los centros de origen y domesticación de plantas, es una acción importante en la conservación de los recursos fitogenéticos. Para identificar los centros de origen, domesticación y diversidad genética de Spondias purpurea en Mesoamérica se realizó un análisis filogeográfico de la especie.Métodos: Se amplificó el marcador de DNAcp trnS-trnG para 66 accesiones del banco de germoplasma de S. purpurea y se obtuvieron las secuencias publicadas en GenBank para este marcador en el género Spondias. Las secuencias se agruparon en 54 poblaciones distribuidas de siete provincias biogeográficas de Mesoamérica, de acuerdo con las localidades de las colectas, y en tres categorías: silvestre, silvícola y agrícola.Resultados clave: Se identificaron 38 haplotipos diferentes de los cuales 17 son exclusivos de S. purpurea, 12 a S. mombin, dos a S.radlkoferi y tres a S. testudinis; uno agrupa a S. purpurea y S. mombin, y uno a S. purpurea y S. radlkoferi. El análisis de contingencia anidada resultó en cinco grupos de haplotipos para las secuencias de todas las especies y otros cinco para los haplotipos de S. purpurea.Conclusiones: El análisis de los resultados sugiere lo siguiente: 1) la falta de diferenciación entre los linajes podría deberse a hibridación entre las especies del género, lo que debe comprobarse con otros marcadores moleculares; 2) el centro de origen de S. purpurea se encuentra en la región de occidente de México (Jalisco, Nayarit, Michoacán); 3) el centro de origen y la región de Guatemala son centros de domesticación de S. purpurea; 4) existen ocho poblaciones que contienen haplotipos importantes para la conservación del germoplasma y tres provincias con diversidad nucleotídica importante.

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Centers of Origin and Related Concepts

Cited by 265 publications

References 12 publications

Spatial and temporal distribution of landlockedGalaxias maculatusandGalaxias platei(Pisces: Galaxiidae) in a lake in the South American Andes

Spatial and temporal distribution of landlockedGalaxias maculatusandGalaxias platei(Pisces: Galaxiidae) in a lake in the South American Andes

Towards a panbiogeography of the seas

Centros de origen, domesticación y diversidad genética de la ciruela mexicana, Spondias purpurea (Anacardiaceae)

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