Fire creates host plant patches for monarch butterflies

Baum, Kristen A.; Sharber, Wyatt V.

doi:10.1098/rsbl.2012.0550

Cited by 48 publications

(52 citation statements)

References 18 publications

(18 reference statements)

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“…In general, we found a clear northward progression of natal origin over successive summer months, but during each month there were a small number of individuals that appeared to move in different patterns compared with the majority. Reproductive butterflies began to change direction in August and moved south, presumably to encounter suitable environmental conditions for breeding at the end of the season [20,21]. The offspring of these individuals may comprise a large number of individuals in the overwintering colonies in Mexico.…”

Section: Discussionmentioning

confidence: 99%

“…In doing so, we addressed three long-standing questions in monarch breeding biology: (i) does movement into northern breeding areas continue throughout the breeding season or is there a single re-colonization pulse into northern breeding distributions in early summer followed by local recruitment [4,18,19]? (ii) is the re-colonization of southern areas during early autumn a result of local or long-distance dispersal [20,21]? and (iii) do monarch butterflies breeding in the south in the early autumn produce offspring that successfully migrate to Mexico [21,22]?…”

Section: Introductionmentioning

confidence: 99%

“…(ii) is the re-colonization of southern areas during early autumn a result of local or long-distance dispersal [20,21]? and (iii) do monarch butterflies breeding in the south in the early autumn produce offspring that successfully migrate to Mexico [21,22]?…”

Section: Introductionmentioning

confidence: 99%

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Tracking multi-generational colonization of the breeding grounds by monarch butterflies in eastern North America

et al. 2013

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Insect migration may involve movements over multiple breeding generations at continental scales, resulting in formidable challenges to their conservation and management. Using distribution models generated from citizen scientist occurrence data and stable-carbon and -hydrogen isotope measurements, we tracked multi-generational colonization of the breeding grounds of monarch butterflies (Danaus plexippus) in eastern North America. We found that monarch breeding occurrence was best modelled with geographical and climatic variables resulting in an annual breeding distribution of greater than 12 million km 2 that encompassed 99% occurrence probability. Combining occurrence models with stable isotope measurements to estimate natal origin, we show that butterflies which overwintered in Mexico came from a wide breeding distribution, including southern portions of the range. There was a clear northward progression of monarchs over successive generations from May until August when reproductive butterflies began to change direction and moved south. Fifth-generation individuals breeding in Texas in the late summer/autumn tended to originate from northern breeding areas rather than regions further south. Although the Midwest was the most productive area during the breeding season, monarchs that re-colonized the Midwest were produced largely in Texas, suggesting that conserving breeding habitat in the Midwest alone is insufficient to ensure long-term persistence of the monarch butterfly population in eastern North America.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Tracking multi-generational colonization of the breeding grounds by monarch butterflies in eastern North America

et al. 2013

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“…Also, because the benefits of applying fire to the landscape as indigenous peoples once did include conservation of plant species and diversity of landscapes, TPK could assist in the development of alternative strategies aimed at restoration based on improved understanding of the historical ecology of SESs. With a focus on biological seasonality, TPK does not refer specifically to the longterm changes in landscape structure, such as the absence of host plants that support butterfly breeding as a result of fire suppression and exclusion (Baum and Sharber 2012). These changes in landscape structure can interrupt phenological events, as shown by Baum and Sharber (2012) in a study on the breeding habits of monarch butterflies (Danaus plexippus).…”

Section: Applying Traditional Phenological Knowledge (Tpk) For Adaptimentioning

confidence: 99%

“…With a focus on biological seasonality, TPK does not refer specifically to the longterm changes in landscape structure, such as the absence of host plants that support butterfly breeding as a result of fire suppression and exclusion (Baum and Sharber 2012). These changes in landscape structure can interrupt phenological events, as shown by Baum and Sharber (2012) in a study on the breeding habits of monarch butterflies (Danaus plexippus). Thus, TPK can help to highlight changes in landscape structure that result from climate change or fire exclusion and suppression over an extended period of time.…”

Section: Applying Traditional Phenological Knowledge (Tpk) For Adaptimentioning

confidence: 99%

Opportunities to utilize traditional phenological knowledge to support adaptive management of social-ecological systems vulnerable to changes in climate and fire regimes

Armatas¹,

Venn²,

McBride³

et al. 2016

E&S

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ABSTRACT. The field of adaptive management has been embraced by researchers and managers in the United States as an approach to improve natural resource stewardship in the face of uncertainty and complex environmental problems. Integrating multiple knowledge sources and feedback mechanisms is an important step in this approach. Our objective is to contribute to the limited literature that describes the benefits of better integrating indigenous knowledge (IK) with other sources of knowledge in making adaptive-management decisions. Specifically, we advocate the integration of traditional phenological knowledge (TPK), a subset of IK, and highlight opportunities for this knowledge to support policy and practice of adaptive management with reference to policy and practice of adapting to uncharacteristic fire regimes and climate change in the western United States.

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Long‐ and short‐term responses ofAsclepiasspecies differ in respect to fire, grazing, and nutrient addition

Ricono

Dixon

Eaton

et al. 2018

American J of Botany

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Premise of the Study The tallgrass prairie ecosystem has experienced a dramatic reduction over the past 150 yr. This reduction has impacted the abundance of native grassland species, including milkweeds (Asclepias). Methods We used two long‐term (27 yr) data sets to examine how fire, grazing, and nutrient addition shape milkweed abundance in tallgrass prairie. We compared these results to those of a greenhouse experiment that varied nutrient levels in the absence of competition, herbivory, and mutualistic relationships. Key Results Asclepias species exhibited broad patterns in response to burning regimes that did not include grazing, but experienced more species‐specific patterns in other combinations. Asclepias syriaca was the only species to increase in abundance in plots that included burning and nutrient addition. In the greenhouse we found that nitrogen significantly increased biomass, while no effect of phosphorus was detected. Conclusions These results indicate that A. syriaca will do best in settings with high nutrient loads, low competition, and no grazers. These characteristics define a small portion of the tallgrass prairie but exemplify modern agricultural settings, which have replaced prairies. However, other milkweeds examined did not share this pattern, which indicates that milkweed species will respond differently when exposed to agricultural settings, with some less able to cope with land conversion to pasture or row‐crop agriculture.

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Fire creates host plant patches for monarch butterflies

Cited by 48 publications

References 18 publications

Tracking multi-generational colonization of the breeding grounds by monarch butterflies in eastern North America

Tracking multi-generational colonization of the breeding grounds by monarch butterflies in eastern North America

Opportunities to utilize traditional phenological knowledge to support adaptive management of social-ecological systems vulnerable to changes in climate and fire regimes

Long‐ and short‐term responses ofAsclepiasspecies differ in respect to fire, grazing, and nutrient addition

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