Contrasting climate drivers of seasonal growth in western vs. eastern Mexican mountain conifer forests
Hydroclimate affects the radial growth responses of trees, but the drivers of their spatial and population variability are not sufficiently understood. We addressed this issue by sampling several conifer populations located at the same latitude, but at different longitude and elevation in western (W...
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| Format: | Article |
| Language: | English |
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KeAi Communications Co., Ltd.
2023-01-01
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| Series: | Forest Ecosystems |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2197562023000064 |
| _version_ | 1797382919245791232 |
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| author | Marín Pompa-García J. Julio Camarero Eduardo D. Vivar-Vivar |
| author_facet | Marín Pompa-García J. Julio Camarero Eduardo D. Vivar-Vivar |
| author_sort | Marín Pompa-García |
| collection | DOAJ |
| description | Hydroclimate affects the radial growth responses of trees, but the drivers of their spatial and population variability are not sufficiently understood. We addressed this issue by sampling several conifer populations located at the same latitude, but at different longitude and elevation in western (W) and eastern (E) Mexican regions. We used dendroecology to disentangle how earlywood width (EW), latewood width (LW) and adjusted LW (LWadj), i.e. the residuals after removing EW influences on LW, responded to climate variables (temperature and precipitation), climate indices (Southern Oscillation Index, SOI, Niño 3.4, Pacific Decadal Oscillation, PDO) and a drought index (Standardised Precipitation-Evapotranspiration Index, SPEI). The W species (Pinus herrerae Martínez, Pinus durangensis Martínez, Abies durangensis Martínez and Cupressus lusitanica Mill.) showed lower growth rates than the E species (Pinus hartwegii Lindl., Picea mexicana Martínez, Pseudotsuga menziesii (Mirb.) Franco and Abies vejari Martínez). Growth in W benefits mostly from high precipitation in the prior winter and current spring and it is limited by high temperatures in spring, whereas growth in the E showed similar but weaker responses. Furthermore, positive (negative) correlations were found in radial growth with the Niño 3.4 (SOI) and the PDO from the prior to current autumns, which were again stronger in absolute terms in the W than in the E regions, excepting SOI in summer. In the W, P. durangensis and C. lusitanica were the least and most responsive species to spring drought, respectively; whilst P. menziesii and A. vejari were very responsive to spring drought compared to P. hartwegii in the E. Our results suggest greater responsiveness to hydroclimate and atmospheric patterns in the W than in the E region. These findings allow better interpretations of future changes in growth and composition in Mexican conifer forests, considering that climate models forecast warmer spring conditions and increased water shortage. |
| first_indexed | 2024-03-08T21:12:41Z |
| format | Article |
| id | doaj.art-b7ed22e78faf451aaa81082ac75db4bb |
| institution | Directory Open Access Journal |
| issn | 2197-5620 |
| language | English |
| last_indexed | 2024-03-08T21:12:41Z |
| publishDate | 2023-01-01 |
| publisher | KeAi Communications Co., Ltd. |
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| series | Forest Ecosystems |
| spelling | doaj.art-b7ed22e78faf451aaa81082ac75db4bb2023-12-22T05:32:27ZengKeAi Communications Co., Ltd.Forest Ecosystems2197-56202023-01-0110100091Contrasting climate drivers of seasonal growth in western vs. eastern Mexican mountain conifer forestsMarín Pompa-García0J. Julio Camarero1Eduardo D. Vivar-Vivar2Laboratorio de Dendroecología, Facultad de Ciencias Forestales y Ambientales, Universidad Juárez del Estado de Durango, Río Papaloapan y Blvd. Durango s/n Col. Valle del Sur, Durango, 34120, Mexico; Corresponding author.Instituto Pirenaico de Ecología (IPE-CSIC), Avda. Montañana 1005, 50192, Zaragoza, SpainLaboratorio de Dendroecología, Facultad de Ciencias Forestales y Ambientales, Universidad Juárez del Estado de Durango, Río Papaloapan y Blvd. Durango s/n Col. Valle del Sur, Durango, 34120, MexicoHydroclimate affects the radial growth responses of trees, but the drivers of their spatial and population variability are not sufficiently understood. We addressed this issue by sampling several conifer populations located at the same latitude, but at different longitude and elevation in western (W) and eastern (E) Mexican regions. We used dendroecology to disentangle how earlywood width (EW), latewood width (LW) and adjusted LW (LWadj), i.e. the residuals after removing EW influences on LW, responded to climate variables (temperature and precipitation), climate indices (Southern Oscillation Index, SOI, Niño 3.4, Pacific Decadal Oscillation, PDO) and a drought index (Standardised Precipitation-Evapotranspiration Index, SPEI). The W species (Pinus herrerae Martínez, Pinus durangensis Martínez, Abies durangensis Martínez and Cupressus lusitanica Mill.) showed lower growth rates than the E species (Pinus hartwegii Lindl., Picea mexicana Martínez, Pseudotsuga menziesii (Mirb.) Franco and Abies vejari Martínez). Growth in W benefits mostly from high precipitation in the prior winter and current spring and it is limited by high temperatures in spring, whereas growth in the E showed similar but weaker responses. Furthermore, positive (negative) correlations were found in radial growth with the Niño 3.4 (SOI) and the PDO from the prior to current autumns, which were again stronger in absolute terms in the W than in the E regions, excepting SOI in summer. In the W, P. durangensis and C. lusitanica were the least and most responsive species to spring drought, respectively; whilst P. menziesii and A. vejari were very responsive to spring drought compared to P. hartwegii in the E. Our results suggest greater responsiveness to hydroclimate and atmospheric patterns in the W than in the E region. These findings allow better interpretations of future changes in growth and composition in Mexican conifer forests, considering that climate models forecast warmer spring conditions and increased water shortage.http://www.sciencedirect.com/science/article/pii/S2197562023000064DroughtEarlywoodEl Niño-Southern OscillationLatewood |
| spellingShingle | Marín Pompa-García J. Julio Camarero Eduardo D. Vivar-Vivar Contrasting climate drivers of seasonal growth in western vs. eastern Mexican mountain conifer forests Forest Ecosystems Drought Earlywood El Niño-Southern Oscillation Latewood |
| title | Contrasting climate drivers of seasonal growth in western vs. eastern Mexican mountain conifer forests |
| title_full | Contrasting climate drivers of seasonal growth in western vs. eastern Mexican mountain conifer forests |
| title_fullStr | Contrasting climate drivers of seasonal growth in western vs. eastern Mexican mountain conifer forests |
| title_full_unstemmed | Contrasting climate drivers of seasonal growth in western vs. eastern Mexican mountain conifer forests |
| title_short | Contrasting climate drivers of seasonal growth in western vs. eastern Mexican mountain conifer forests |
| title_sort | contrasting climate drivers of seasonal growth in western vs eastern mexican mountain conifer forests |
| topic | Drought Earlywood El Niño-Southern Oscillation Latewood |
| url | http://www.sciencedirect.com/science/article/pii/S2197562023000064 |
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