John Macoun
Macoun; J. Macoun
* 17. April 1831 – 18. Juni 1920 †
botanist, bryologist, naturalist, mycologist
Canadian botanist (1831-1920)
Wissenschaft ermöglicht durch Exemplardaten
Bell-Doyon, P., S. B. Selva, and R. T. McMullin. 2021. Calicioid fungi and lichens from an unprotected intact forest ecosystem in Québec. Écoscience 28: 127–136. https://doi.org/10.1080/11956860.2021.1885804
Calicioid lichens and fungi form a diverse polyphyletic group whose species richness is often associated with old-growth forests and ecological continuity. One of the last intact forest landscapes south of the 50th parallel in Québec includes the Ya’nienhonhndeh territory, which has been the focus o…
Allstädt, F. J., A. Koutsodendris, E. Appel, W. Rösler, T. Reichgelt, S. Kaboth-Bahr, A. A. Prokopenko, and J. Pross. 2021. Late Pliocene to early Pleistocene climate dynamics in western North America based on a new pollen record from paleo-Lake Idaho. Palaeobiodiversity and Palaeoenvironments 101: 177–195. https://doi.org/10.1007/s12549-020-00460-1
Marked by the expansion of ice sheets in the high latitudes, the intensification of Northern Hemisphere glaciation across the Plio/Pleistocene transition at ~ 2.7 Ma represents a critical interval of late Neogene climate evolution. To date, the characteristics of climate change in North America duri…
Puchałka, R., M. K. Dyderski, M. Vítková, J. Sádlo, M. Klisz, M. Netsvetov, Y. Prokopuk, et al. 2021. Black locust ( Robinia pseudoacacia L.) range contraction and expansion in Europe under changing climate. Global Change Biology 27: 1587–1600. https://doi.org/10.1111/gcb.15486
Robinia pseudoacacia is one of the most frequent non‐native species in Europe. It is a fast‐growing tree of high economic and cultural importance. On the other hand, it is an invasive species, causing changes in soil chemistry and light regime, and consequently altering the plant communities. Previo…
Shaw, E. C., R. Fowler, S. Ohadi, M. J. Bayly, R. A. Barrett, J. Tibbits, A. Strand, et al. 2020. Explaining the worldwide distributions of two highly mobile species: Cakile edentula and Cakile maritima. Journal of Biogeography 48: 603–615. https://doi.org/10.1111/jbi.14024
Aim: If we are able to determine the geographic origin of an invasion, as well as its known area of introduction, we can better appreciate the innate environmental tolerance of a species and the strength of selection for adaptation that colonizing populations have undergone. It also enables us to ma…
Deanna, R., P. Wilf, and M. A. Gandolfo. 2020. New physaloid fruit‐fossil species from early Eocene South America. American Journal of Botany 107: 1749–1762. https://doi.org/10.1002/ajb2.1565
Premise: Solanaceae is a scientifically and economically important angiosperm family with a minimal fossil record and an intriguing early evolutionary history. Here, we report a newly discovered fossil lantern fruit with a suite of features characteristic of Physalideae within Solanaceae. The fossil…
Büchi, L., S. Cordeau, R. Hull, and J. Rodenburg. 2020. Vulpia myuros , an increasing threat for agriculture L. J. Rew [ed.],. Weed Research 61: 13–24. https://doi.org/10.1111/wre.12456
Vulpia myuros is an annual grass species of Mediterranean origin, which has achieved a global distribution. It is a fast‐growing species, with high colonisation and competitive abilities. This species is considered an invasive weed in most countries where it has been introduced, with highly negative…
Zanatta, F., R. Engler, F. Collart, O. Broennimann, R. G. Mateo, B. Papp, J. Muñoz, et al. 2020. Bryophytes are predicted to lag behind future climate change despite their high dispersal capacities. Nature Communications 11. https://doi.org/10.1038/s41467-020-19410-8
The extent to which species can balance out the loss of suitable habitats due to climate warming by shifting their ranges is an area of controversy. Here, we assess whether highly efficient wind-dispersed organisms like bryophytes can keep-up with projected shifts in their areas of suitable climate.…
Afonin, A. N., O. G. Baranova, and Y. A. Fedorova. 2020. Northern border of Ambrosia artemisiifolia L. distribution in Canada in relation to the establishing of its environmental limits. Vestnik Tomskogo gosudarstvennogo universiteta. Biologiya: 28–51. https://doi.org/10.17223/19988591/50/2
Проведен эколого-географический анализ встречаемости амброзии полыннолистной (Ambrosia artemisiifolia L.) на северном пределе ее распространения в Канаде. В качестве ведущего фактора, лимитирующего распространение вида на север, выступает недостаточная теплообеспеченность периода созревания семян. С…
Yi, S., C.-P. Jun, K. Jo, H. Lee, M.-S. Kim, S. D. Lee, X. Cao, and J. Lim. 2020. Asynchronous multi-decadal time-scale series of biotic and abiotic responses to precipitation during the last 1300 years. Scientific Reports 10. https://doi.org/10.1038/s41598-020-74994-x
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Bazzicalupo, A. L., J. Whitton, and M. L. Berbee. 2019. Over the hills, but how far away? Estimates of mushroom geographic range extents. Journal of Biogeography. https://doi.org/10.1111/jbi.13617
Aim: Geographic distributions of mushroom species remain poorly understood despite their importance for advancing our understanding of the habitat requirements, species interactions and ecosystem functions of this key group of organisms. Here, we estimate geographic range extents (maximum within‐spe…