PhenoCaB : a new phenological model based on carbon balance in boreal conifers
© 2023 The Authors New Phytologist © 2023 New Phytologist Foundation..
Traditional phenological models use chilling and thermal forcing (temperature sum or degree-days) to predict budbreak. Because of the heightening impact of climate and other related biotic or abiotic stressors, a model with greater biological support is needed to better predict budbreak. Here, we present an original mechanistic model based on the physiological processes taking place before and during budbreak of conifers. As a general principle, we assume that phenology is driven by the carbon status of the plant, which is closely related to environmental variables and the annual cycle of dormancy-activity. The carbon balance of a branch was modelled from autumn to winter with cold acclimation and dormancy and from winter to spring when deacclimation and growth resumption occur. After being calibrated in a field experiment, the model was validated across a large area (> 34 000 km2 ), covering multiple conifers stands in Québec (Canada) and across heated plots for the SPRUCE experiment in Minnesota (USA). The model accurately predicted the observed dates of budbreak in both Québec (±3.98 d) and Minnesota (±7.98 d). The site-independent calibration provides interesting insights on the physiological mechanisms underlying the dynamics of dormancy break and the resumption of vegetative growth in spring.
| Medienart: |
E-Artikel |
|---|
| Erscheinungsjahr: |
2023 |
|---|---|
| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:239 |
|---|---|
| Enthalten in: |
The New phytologist - 239(2023), 2 vom: 06. Juli, Seite 592-605 |
| Sprache: |
Englisch |
|---|
| Beteiligte Personen: |
Cartenì, Fabrizio [VerfasserIn] |
|---|
| Links: |
|---|
| Themen: |
7440-44-0 |
|---|
| Anmerkungen: |
Date Completed 15.06.2023 Date Revised 19.06.2023 published: Print-Electronic Citation Status MEDLINE |
|---|
| doi: |
10.1111/nph.18974 |
|---|
| funding: |
|
|---|---|
| Förderinstitution / Projekttitel: |
|
| PPN (Katalog-ID): |
NLM357059093 |
|---|
| LEADER | 01000naa a22002652 4500 | ||
|---|---|---|---|
| 001 | NLM357059093 | ||
| 003 | DE-627 | ||
| 005 | 20231226071757.0 | ||
| 007 | cr uuu---uuuuu | ||
| 008 | 231226s2023 xx |||||o 00| ||eng c | ||
| 024 | 7 | |a 10.1111/nph.18974 |2 doi | |
| 028 | 5 | 2 | |a pubmed24n1190.xml |
| 035 | |a (DE-627)NLM357059093 | ||
| 035 | |a (NLM)37203379 | ||
| 040 | |a DE-627 |b ger |c DE-627 |e rakwb | ||
| 041 | |a eng | ||
| 100 | 1 | |a Cartenì, Fabrizio |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a PhenoCaB |b a new phenological model based on carbon balance in boreal conifers |
| 264 | 1 | |c 2023 | |
| 336 | |a Text |b txt |2 rdacontent | ||
| 337 | |a ƒaComputermedien |b c |2 rdamedia | ||
| 338 | |a ƒa Online-Ressource |b cr |2 rdacarrier | ||
| 500 | |a Date Completed 15.06.2023 | ||
| 500 | |a Date Revised 19.06.2023 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © 2023 The Authors New Phytologist © 2023 New Phytologist Foundation. | ||
| 520 | |a Traditional phenological models use chilling and thermal forcing (temperature sum or degree-days) to predict budbreak. Because of the heightening impact of climate and other related biotic or abiotic stressors, a model with greater biological support is needed to better predict budbreak. Here, we present an original mechanistic model based on the physiological processes taking place before and during budbreak of conifers. As a general principle, we assume that phenology is driven by the carbon status of the plant, which is closely related to environmental variables and the annual cycle of dormancy-activity. The carbon balance of a branch was modelled from autumn to winter with cold acclimation and dormancy and from winter to spring when deacclimation and growth resumption occur. After being calibrated in a field experiment, the model was validated across a large area (> 34 000 km2 ), covering multiple conifers stands in Québec (Canada) and across heated plots for the SPRUCE experiment in Minnesota (USA). The model accurately predicted the observed dates of budbreak in both Québec (±3.98 d) and Minnesota (±7.98 d). The site-independent calibration provides interesting insights on the physiological mechanisms underlying the dynamics of dormancy break and the resumption of vegetative growth in spring | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a balsam fir | |
| 650 | 4 | |a black spruce | |
| 650 | 4 | |a bud phenology | |
| 650 | 4 | |a defoliation | |
| 650 | 4 | |a mechanistic model | |
| 650 | 4 | |a spruce budworm | |
| 650 | 7 | |a Carbon |2 NLM | |
| 650 | 7 | |a 7440-44-0 |2 NLM | |
| 700 | 1 | |a Balducci, Lorena |e verfasserin |4 aut | |
| 700 | 1 | |a Dupont, Alain |e verfasserin |4 aut | |
| 700 | 1 | |a Salucci, Emiliano |e verfasserin |4 aut | |
| 700 | 1 | |a Néron, Valérie |e verfasserin |4 aut | |
| 700 | 1 | |a Mazzoleni, Stefano |e verfasserin |4 aut | |
| 700 | 1 | |a Deslauriers, Annie |e verfasserin |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t The New phytologist |d 1979 |g 239(2023), 2 vom: 06. Juli, Seite 592-605 |w (DE-627)NLM09818248X |x 1469-8137 |7 nnns |
| 773 | 1 | 8 | |g volume:239 |g year:2023 |g number:2 |g day:06 |g month:07 |g pages:592-605 |
| 856 | 4 | 0 | |u http://dx.doi.org/10.1111/nph.18974 |3 Volltext |
| 912 | |a GBV_USEFLAG_A | ||
| 912 | |a GBV_NLM | ||
| 951 | |a AR | ||
| 952 | |d 239 |j 2023 |e 2 |b 06 |c 07 |h 592-605 | ||