Thorson's rule (named after Gunnar Thorson by S. A. Mileikovsky in 1971) is an ecogeographical rule which states that benthic marine invertebrates at low latitudes tend to produce large numbers of eggs developing to pelagic (often planktotrophic [plankton-feeding]) and widely dispersing larvae, whereas at high latitudes such organisms tend to produce fewer and larger lecithotrophic (yolk-feeding) eggs and larger offspring, often by viviparity or ovoviviparity, which are often brooded.
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| - Regla de Thorson (es)
- Thorson's rule (en)
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| - La regla de Thorson (llamada así en referencia a Gunnar Thorson por S. A. Mileikovsky en 1971) es una regla ecogeográfica que establece que los invertebrados marinos bentónicos en latitudes bajas tienden a producir grandes cantidades de huevos que se convierten en larvas pelágicas (a menudo planctotróficas [alimentación de plancton]) y ampliamente dispersas, mientras que en latitudes altas tales organismos tienden a producir menos y más grandes huevos lecitotróficos (que se alimentan de la yema de huevo) y crías más grandes, a menudo por viviparidad u ovoviviparidad, que a menudo se incuban. (es)
- Thorson's rule (named after Gunnar Thorson by S. A. Mileikovsky in 1971) is an ecogeographical rule which states that benthic marine invertebrates at low latitudes tend to produce large numbers of eggs developing to pelagic (often planktotrophic [plankton-feeding]) and widely dispersing larvae, whereas at high latitudes such organisms tend to produce fewer and larger lecithotrophic (yolk-feeding) eggs and larger offspring, often by viviparity or ovoviviparity, which are often brooded. (en)
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| - La regla de Thorson (llamada así en referencia a Gunnar Thorson por S. A. Mileikovsky en 1971) es una regla ecogeográfica que establece que los invertebrados marinos bentónicos en latitudes bajas tienden a producir grandes cantidades de huevos que se convierten en larvas pelágicas (a menudo planctotróficas [alimentación de plancton]) y ampliamente dispersas, mientras que en latitudes altas tales organismos tienden a producir menos y más grandes huevos lecitotróficos (que se alimentan de la yema de huevo) y crías más grandes, a menudo por viviparidad u ovoviviparidad, que a menudo se incuban. (es)
- Thorson's rule (named after Gunnar Thorson by S. A. Mileikovsky in 1971) is an ecogeographical rule which states that benthic marine invertebrates at low latitudes tend to produce large numbers of eggs developing to pelagic (often planktotrophic [plankton-feeding]) and widely dispersing larvae, whereas at high latitudes such organisms tend to produce fewer and larger lecithotrophic (yolk-feeding) eggs and larger offspring, often by viviparity or ovoviviparity, which are often brooded. (en)
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