Impact of weather cues and resource dynamics on mast occurrence in the main forest tree species in Europe

Nussbaumer, Anita; Waldner, Peter; Apuhtin, Vladislav; Aytar, Fatih; Benham, Sue; Bussotti, Filippo; Eichhorn, Johannes; Eickenscheidt, Nadine; Fabiánek, P.; Falkenried, Lutz; Leca, Ştefan; Lindgren, Martti; Serrano, María José Manzano; Neagu, S; Nevalainen, Seppo; Pajtík, Jozef; Potočić, Nenad; Rautio, Pasi; Sioen, Geert; Stakėnas, Vidas; Taşdemir, Celal; Thomsen, Iben Margrete; Timmermann, Volkmar; Ukonmaanaho, Liisa; Verstraeten, Arne; Wulff, Sören; Geßler, Arthur

doi:10.1016/j.foreco.2018.07.011

Cited by 62 publications

(71 citation statements)

References 65 publications

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“…Previous studies have suggested that pollen synchrony (i.e. the duration of the seasonal spreading of airborne pollen) could be one of the main drivers of oak masting Pesendorfer et al 2016;Bogdziewicz et al 2017b) because high spring temperatures are known for their synchronising effect on leaf budburstleaf phenology providing a proxy of pollen phenology (Koenig et al 2012)and are also favourable to high fruiting (Pearse et al 2014;Caignard et al 2017;Nussbaumer et al 2018). Our results show that pollen synchrony is not correlated to the annual airborne pollen amount (Fig.…”

Section: Discussionmentioning

confidence: 42%

“…In line with the last hypothesis, several empirical studies have shown that daily airborne pollen amounts strongly depends on weather conditions during pollen release and aerial diffusion for many plant species (Garc ıa-Mozo et al 2012;Grewling et al 2014;Kasprzyk et al 2014;Fuhrmann et al 2016;Sabit et al 2016). Likewise, spring weather are related to fruiting intensity in some masting species (Garc ıa-Mozo et al 2012;Pearse et al 2014;Fern andez-Mart ınez et al 2015;Koenig et al 2015;Bogdziewicz et al 2017a;Caignard et al 2017;Nussbaumer et al 2018), which suggests that unfavourable weather conditions for pollen release, aerial diffusion or synchronised flowering may cause pollen limitation (Koenig et al 2012Bogdziewicz et al 2017b).…”

Section: Introductionmentioning

confidence: 77%

“…; Nussbaumer et al . ). Our results show that pollen synchrony is not correlated to the annual airborne pollen amount (Fig.…”

Section: Discussionmentioning

confidence: 97%

“…; Nussbaumer et al . ), which suggests that unfavourable weather conditions for pollen release, aerial diffusion or synchronised flowering may cause pollen limitation (Koenig et al . , ; Bogdziewicz et al .…”

Section: Introductionmentioning

confidence: 99%

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Pollen limitation as a main driver of fruiting dynamics in oak populations

et al. 2018

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In many perennial wind‐pollinated plants, the dynamics of seed production is commonly known to be highly fluctuating from year to year and synchronised among individuals within populations. The proximate causes of such seeding dynamics, called masting, are still poorly understood in oak species that are widespread in the northern hemisphere, and whose fruiting dynamics dramatically impacts forest regeneration and biodiversity. Combining long‐term surveys of oak airborne pollen amount and acorn production over large‐scale field networks in temperate areas, and a mechanistic modelling approach, we found that the pollen dynamics is the key driver of oak masting. Mechanisms at play involved both internal resource allocation to pollen production synchronised among trees and spring weather conditions affecting the amount of airborne pollen available for reproduction. The sensitivity of airborne pollen to weather conditions might make oak masting and its ecological consequences highly sensitive to climate change.

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Section: Discussionmentioning

confidence: 42%

Section: Introductionmentioning

confidence: 77%

“…; Nussbaumer et al . ). Our results show that pollen synchrony is not correlated to the annual airborne pollen amount (Fig.…”

Section: Discussionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Pollen limitation as a main driver of fruiting dynamics in oak populations

et al. 2018

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“…Our findings of small effects of changes in abiotic conditions on trends in PST still provide some support for the climate change hypothesis, as they fit well with the recent findings on proximate mechanisms underlying masting. A growing body of literature suggests that weather effects on mast-seeding are not as direct as originally thought and may vary across the geographic range of species (Bogdziewicz, Szymkowiak, Fernández-Martínez, Peñuelas, & Espelta, 2019;Nussbaumer et al, 2018). Weather drives resource budgets of individual plants not only by modulating annual resource acquisition (Bogdziewicz, Szymkowiak, et al, 2017;Fernández-Martínez, Garbulsky, Peñuelas, Peguero, & Espelta, 2015;Smaill, Clinton, Allen, & Davis, 2011) but also flowering and seed maturation dynamics which create population-wide patterns of seed production and its synchrony (Abe et al, 2016;Bogdziewicz, Szymkowiak, et al, 2017;Koenig et al, 2015;Pearse et al, 2017;Pesendorfer et al, 2016;Venner et al, 2016).…”

Section: Discussionmentioning

confidence: 99%

Investigating the relationship between climate, stand age, and temporal trends in masting behavior of European forest trees

Pesendorfer

Bogdziewicz

Szymkowiak

et al. 2020

Global Change Biology

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Masting—temporally variable seed production with high spatial synchrony—is a pervasive strategy in wind‐pollinated trees that is hypothesized to be vulnerable to climate change due to its correlation with variability in abiotic conditions. Recent work suggests that aging may also have strong effects on seed production patterns of trees, but this potential confounding factor has not been considered in previous times series analysis of climate change effects. Using a 54 year dataset for seven dominant species in 17 forests across Poland, we used the proportion of seed‐producing trees (PST) to contrast the predictions of the climate change and aging hypotheses in Abies alba, Fagus sylvatica, Larix decidua, Picea abies, Pinus sylvestris, Quercus petraea, and Quercus robur. Our results show that in all species, PST increased over time and that this change correlated most strongly with stand age, while the standardized precipitation–evapotranspiration index, a measure of drought, contributed to temporal trends in PST of F. sylvatica and Q. robur. Temporal variability of PST also increased over time in all species except P. sylvestris, while trends in temporal autocorrelation and among‐stand synchrony reflect species‐specific masting strategies. Our results suggest a pivotal role of plant ontogeny in driving not only the extent but also variability and synchrony of reproduction in temperate forest trees. In a time of increasing forest regrowth in Europe, we therefore call for increased attention to demographic effects such as aging on plant reproductive behavior, particularly in studies examining global change effects using long‐term time series data.

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Direct and indirect effects of climate and seed dynamics on the breeding performance of a seed predator at the distribution edge

Oro,

Freixas,

Bartrina

et al. 2024

Ecology and Evolution

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Marginal populations usually have low densities and are considered to be particularly vulnerable to environmental stochasticity. Using data collected in nest boxes, we analyzed the breeding performance of the edible dormouse (Glis glis), an obligate hibernating rodent and a seed predator in deciduous forests, in two populations at the distribution range's edge. Despite being only 20 km apart from each other, Montseny is a large patch of mixed deciduous forests (oaks and beech), whereas Montnegre would be the harshest habitat, that is, a small, isolated patch with only oaks. First, we studied the differences in climate and tree cover change in the two populations. Second, we analyzed the direct and indirect roles of local climate conditions and seed availability on breeding performance over 10 years in each population. Finally, we explored the influence of tree cover change on the occupancy dynamics in the two populations. Our results showed contrasting responses between populations: in Montseny, asynchronous seed production between oaks and beech precluded skip breeding, and breeding performance increased with seed availability. Furthermore, dormice in Montseny may use pollen production to anticipate the amount of beech nut resources and adjust their breeding effort. Boxes showed higher occupancy and colonization and fewer extinctions in Montseny than in Montnegre, where seed availability did not drive breeding performance. Results from Montnegre suggest that skip breeding was an adaptive response to a more pulsed, harsher environment. Here, females produced a similar number of pups than at Montseny. Long‐term studies dealing with population responses in marginal habitats can lead to a deeper understanding of the capacities of organisms to adapt to harsh environments. Although local adaptation is frequently documented across various taxa, studies at the distribution edge may shed light on our still limited comprehension of the underlying mechanisms responsible for its occurrence.

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Impact of weather cues and resource dynamics on mast occurrence in the main forest tree species in Europe

Cited by 62 publications

References 65 publications

Pollen limitation as a main driver of fruiting dynamics in oak populations

Pollen limitation as a main driver of fruiting dynamics in oak populations

Investigating the relationship between climate, stand age, and temporal trends in masting behavior of European forest trees

Direct and indirect effects of climate and seed dynamics on the breeding performance of a seed predator at the distribution edge

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