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File:Syntermes dirus in Northeast Brazil (Martin and all, 2018).jpg

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English: The distribution of Syntermes dirus termite waste mounds across Northeast Brazil and associate tunnel networks.
  • (A) Core area (orange) of S. dirus mounds confirmed by ground visits. The MAXENT model predicted suitable area, and new mound sites confirmed by visits (orange triangle) or using satellite images (black triangles). Dated mounds indicated by red squares. Great Britain outline illustrates the extent of the mound fields.
  • (B) Satellite image with the position of each mound indicated by a black dot, indicating an over-dispersed spatial distribution.
  • (C) Sketch showing the mound structure and network of major tunnels (solid lines) and smaller vertical foraging tunnels (dashed lines). The images illustrate the various aspects of the sketch.
Français : Distribution des monticules de dépôts de déchets des termites Syntermes dirus dans le nord-est du Brésil et leurs réseaux de tunnels associés.
  • (A) Zone centrale (orange) des monticules de S. dirus confirmée par des visites au sol. Le modèle MAXENT prédit une surface convenable et de nouveaux sites de monticules confirmés par des visites (triangle orange) ou à l'aide d'images satellites (triangles noirs). Les monticules datés sont indiqués par des carrés rouges. Le contour de la Grande-Bretagne illustre l'étendue de la zone concidérée.
  • (B) Image satellite avec la position de chaque monticule indiquée par un point noir, indiquant une distribution spatiale très dispersée.
  • (C) Croquis montrant la structure du monticule et le réseau des principaux tunnels (lignes continues) et des tunnels verticaux d'alimentation plus petits (lignes en pointillés). Les images illustrent les différents aspects du croquis.
Date
Source Stephen J. Martin, Roy R. Funch, Paul R. Hanson and Eun-Hye Yoo, « A vast 4,000-year-old spatial pattern of termite mounds », Current Biology, Elsevier BV, vol. 28, no 22,‎ novembre 2018, R1292-R1293 DOI 10.1016/j.cub.2018.09.061 (Read on line)
Author Stephen J. Martin, Roy R. Funch, Paul R. Hanson and Eun-Hye Yoo

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