Effects of experimental early canopy closure on the growth and reproduction of spring ephemeral Erythronium japonicum in a montane deciduous forest

Kim, Hyun Jung; Jung, Jong Bin; Jang, You Lim; Sung, Joo Han; Park, Pil Sun

doi:10.1007/s12374-014-0545-8

Cited by 21 publications

(22 citation statements)

References 38 publications

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“…This enhanced productivity was most likely a result of the acclimation of spring ephemeral phenology to canopy phenology; leaf senescence was delayed under a late bud-bursting canopy. This is consistent with previous observations on another spring ephemeral, the katakuri Erythronium japonicum Decaisne, which senesced sooner under artificial early canopy closure (Kim et al, 2015). Other studies conducted on the influence of the light environment on wild leek growth did not consider tree phenology, which could explain why no effect of light was detected (Vasseur and Gagnon, 1994;Delagrange et al, 2013).…”

Section: R a F Tsupporting

confidence: 90%

“…Furthermore, the timing of canopy closure varies with tree species, which can influence understory vegetation growth (Kato and Komiyama, 2002). Indeed, the duration of the period between snowmelt and canopy closure has been shown to influence growth and reproduction of early summer species (as defined by Givnish, 1987), such as red trillium (Trillium erectum L.; Routhier and Lapointe, 2002), and influence photosynthetic capacity and assimilated carbon translocation patterns of understory herbs (Ida and Kudo, 2008;Kim et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

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Late canopy closure delays senescence and promotes growth of the spring ephemeral wild leek (Allium tricoccum)

Dion

Bussières

Lapointe

2017

Botany

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Section: R a F Tsupporting

confidence: 90%

Section: Introductionmentioning

confidence: 99%

Late canopy closure delays senescence and promotes growth of the spring ephemeral wild leek (Allium tricoccum)

Dion

Bussières

Lapointe

2017

Botany

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“…Early leaf out may also increase the ability of E. americanum to sequester nutrients during spring (Muller and Bormann, ), due to the linkage between above‐ and below‐ground activities in the species (Blodgett, ; Collins et al., ; Wein et al., ; Lerat et al., ; Gandin et al., , b). Both frost following early springs (Inouye, ; Augspurger, ; Richardson et al., ; Kong and Henry, ) and earlier shading from canopy trees from early spring warming (Wein et al., ; Bertin, ; Zohner and Renner, ) are anticipated with climate change, and they may limit the growing season for spring ephemerals by hastening their senescence (Kim et al., ). The late treatment responded with bud break faster than the early treatment (Fig.…”

Section: Discussionmentioning

confidence: 99%

Early spring warming may hasten leaf emergence in Erythronium americanum

Tessier

2019

American J of Botany

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Premise Climate change is making spring arrive earlier than in the past, causing some species to alter the timing of their spring activities. This study addressed whether Erythronium americanum Ker Gawl. (trout lily), a common spring ephemeral, can emerge earlier if exposed to early spring warming. Methods I collected corms of Erythronium americanum in the fall, overwintered them in soil, and exposed them to warming in either mid (early treatment) or late (late treatment) February. The timing of leaf emergence was monitored and compared between treatments. Results Leaves exposed to early warming emerged earlier than those in the late treatment. Bud break happened closer to date of exposure to warming in the late treatment than in the early treatment. Conclusions Spring ephemerals may be able to produce leaves early in response to early spring warming induced by climate change. Risk of late frost and eventual shading by the canopy may limit the duration of a potentially extended growing season.

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“…Lapointe 2001, Yamagishi et al 2005, Augspurger and Sank 2017. For example, species within the genus Erythronium L. (Liliaceae, Tulipeae) are typical spring ephemerals that have been the object of several studies dealing with responses to seasonal changes (Lambert et al 2010, Gandin et al 2011, Kim et al 2015, Augspurger and Sank 2017, especially those involving effects of temperature on phenology of leaves and bulbs as well as on seed germination.…”

Section: Introductionmentioning

confidence: 99%

Population structure of Erythronium dens-canis L. (Liliaceae) in the northern Apennines (Italy)

Pupillo¹,

Astuti²

2017

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Relationships between age, time of emergence, and leaf traits of individuals were investigated in a population of Erythronium dens-canis L. in a hilly woodland area named Farneto-C, near Bologna, Italy. In 2015, 591 individuals were counted, 19 of which were flowering (FLO), 442 were mature non-flowering (MNF) and 130 were juveniles (JUV). FLO emerged at the end of February, whereas most MNF and JUV appeared at the middle and end of March, respectively. The mean aboveground survivorship of MNF was 24 days. Most MNF had large, oval to shield-shaped leaves with red-brown mottling, whereas most JUV leaves were smaller, usually oblong or lanceolate with a rough maculation or none. These results suggest that both timing of emergence and leaf shape are related to the age of the bulb. Based on leaf background, plants were classified into three major types with a likely genetic basis in the 2015 and 2016 surveys (the latter limited to FLO): a dominant silvery type (SLV, 62-74%), silvery-and-green type (S&G, 23-32%), and a less frequent vivid-green type (GRN, 3-5%). Several subtypes were also identified, but only one was dominant within each type. The three basic patterns appear to be phenotypically stable and no differences between MNF and FLO were found; once the juvenile stage has passed, each plant produces the same leaf type year after year. In addition, our results on the discoloration time-course of red-brown spots suggest that the functional role of leaf mottling is not related to pollinator attraction. Instead, leaf mottling could play a role in camouflage against herbivores.The observed massive grazing on flowers, more than leaves, could explain why the frequency of mature individuals was biased towards the non-flowering ones.

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Effects of experimental early canopy closure on the growth and reproduction of spring ephemeral Erythronium japonicum in a montane deciduous forest

Cited by 21 publications

References 38 publications

Late canopy closure delays senescence and promotes growth of the spring ephemeral wild leek (Allium tricoccum)

Late canopy closure delays senescence and promotes growth of the spring ephemeral wild leek (Allium tricoccum)

Early spring warming may hasten leaf emergence in Erythronium americanum

Population structure of Erythronium dens-canis L. (Liliaceae) in the northern Apennines (Italy)

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