Mix and match: regional admixture provenancing strikes a balance among different seed-sourcing strategies for ecological restoration

Bucharová, Anna; Bossdorf, Oliver; Hölzel, Norbert; Kollmann, Johannes; Prasse, Rüdiger; Durka, Walter

doi:10.1007/s10592-018-1067-6

Cited by 162 publications

(209 citation statements)

References 112 publications

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“…Committee on Appropriations., 2014)) strategies, as well as strategies mixing several of these viewpoints (Breed et al, 2013;Bucharova et al, 2018;Havens et al, 2015;Rice & Emery, 2003;Rogers & Montalvo, 2004). Committee on Appropriations., 2014)) strategies, as well as strategies mixing several of these viewpoints (Breed et al, 2013;Bucharova et al, 2018;Havens et al, 2015;Rice & Emery, 2003;Rogers & Montalvo, 2004).…”

Section: Total (592)mentioning

confidence: 99%

Strong patterns of intraspecific variation and local adaptation in Great Basin plants revealed through a review of 75 years of experiments

Baughman

Agneray

Forister

et al. 2019

Ecology and Evolution

112

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Variation in natural selection across heterogeneous landscapes often produces (a) among‐population differences in phenotypic traits, (b) trait‐by‐environment associations, and (c) higher fitness of local populations. Using a broad literature review of common garden studies published between 1941 and 2017, we documented the commonness of these three signatures in plants native to North America's Great Basin, an area of extensive restoration and revegetation efforts, and asked which traits and environmental variables were involved. We also asked, independent of geographic distance, whether populations from more similar environments had more similar traits. From 327 experiments testing 121 taxa in 170 studies, we found 95.1% of 305 experiments reported among‐population differences, and 81.4% of 161 experiments reported trait‐by‐environment associations. Locals showed greater survival in 67% of 24 reciprocal experiments that reported survival, and higher fitness in 90% of 10 reciprocal experiments that reported reproductive output. A meta‐analysis on a subset of studies found that variation in eight commonly measured traits was associated with mean annual precipitation and mean annual temperature at the source location, with notably strong relationships for flowering phenology, leaf size, and survival, among others. Although the Great Basin is sometimes perceived as a region of homogeneous ecosystems, our results demonstrate widespread habitat‐related population differentiation and local adaptation. Locally sourced plants likely harbor adaptations at rates and magnitudes that are immediately relevant to restoration success, and our results suggest that certain key traits and environmental variables should be prioritized in future assessments of plants in this region.

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Section: Total (592)mentioning

confidence: 99%

Strong patterns of intraspecific variation and local adaptation in Great Basin plants revealed through a review of 75 years of experiments

Baughman

Agneray

Forister

et al. 2019

Ecology and Evolution

112

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“…Nonetheless, in revegetation trials recruitment success is not the only criteria in choosing appropriate source populations (Broadhurst et al., ; Hufford & Mazer, ). Size and genetic structure of source populations are also crucial criteria to be considered (Broadhurst et al., ; Bucharova et al., ). Though Reserva, together with Hinojos and Hato Ratón, showed the highest number of recruits by the end of our study, P. bourgaeana density at Reserva is between 2 and 34 times lower than in other localities (Appendix ).…”

Section: Discussionmentioning

confidence: 99%

“…Our approach should be optimal for many other systems world‐wide given that it integrates several key aspects required for long‐term restoration success, such as forecasted provenance and sowing site specific recruitment success, density of source populations and the enhancement of the planting adaptive potential (Breed et al., ). Further, the potential costs in terms of outbreeding depression (sensu Hufford & Mazer, ) of the source‐mixing approach are expected to be low in systems where seed mixing would occur within moderate spatial scales (Bucharova et al., ; Frankham et al., ). Because heavily altered habitats and novel ecosystems are progressively the most frequent target of restoration actions (Hobbs, Higgs, & Harris ), the use of local seeds is not longer appropriate in many cases, being source mixing a reasonable alternative (Jones, ).…”

Section: Discussionmentioning

confidence: 99%

“…Other strategies consisting of mixing seeds from distant source populations have been proposed in response to objections against local provenance (e.g. “composite provenancing,” “predictive provenancing”; Breed et al., ; Bucharova et al., ). Nonetheless, these alternatives are not exempt from potential drawbacks, such as the risk of outbreeding depression resulting from the mixing of different genetic lineages (Edmands, ) or the disruption of the historical within‐species genetic differentiation patterns (Bucharova et al., ).…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, accounting for such potential genetic issues in disturbed landscapes and estimating key genetic parameters (e.g. inbreeding coefficient [F is ], genetic differentiation [F st ]) of potential source population is critical in planning effective revegetation campaigns (Breed et al., ; Bucharova et al., ). Importantly, the success of different seed provenance strategies, where seeds from different localities are mixed to enhance genetic diversity, relies on the frequently untested conjecture that seeds from different populations will lead to a similar portion of recruits contributing to the establishment of the new population, ensuring their eventual admixture (Marrit & Dixon, 2011).…”

Section: Introductionmentioning

confidence: 99%

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Combined effects of seed provenance, plant facilitation and restoration site on revegetation success

Fedriani

Garrote

Calvo

et al. 2019

Journal of Applied Ecology

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Plant provenance, plant facilitation and the characteristics of restoration sites are critical determinants of revegetation success. Surprisingly, however, very little is known about how these key factors interact, both with each other and to complex patterns of recruitment in target plant species. We investigated, for the first time, the potential of combining seed provenance, plant facilitation and restoration site characteristics to guide revegetation efforts. As a model system, we used the Iberian pear (Pyrus bourgaeana) and three potential nurse shrub species. To this end, we completed a comprehensive reciprocal transplant experiment in five P. bourgaeana populations within a fragmented landscape at the Doñana Biosphere Reserve (SW Spain). There were marked differences among provenances for seedling emergence and growth, as well as for recruitment, but no evidence of local adaptation was found. Shrubs generally had a positive or neutral effect on P. bourgaeana seedling performance with, for example survival underneath shrubs being, on average, twice as high as in open microhabitats. Interestingly, however, the magnitude and even the sign of such plant–plant interactions changed with both sowing locality and seed provenance. For instance, shrubs enhanced seedling survival and recruitment at the end of the study in four of the five sowing localities, whereas it decreased it in the remaining locality. Also, although nurse shrubs lessened seedling size of two provenances, it did not have a significant effect on the other three. Synthesis and applications. We show how revegetation success can be maximized, not only by selecting the most appropriate plant material, taking advantage of plant facilitative interactions and selecting the right restoration site, but also by using these factors in an integrated fashion. We propose local managers efficiently undertake future revegetation campaigns by mixing seeds from several genetically adequate source populations in numbers weighted according to previously estimated provenance‐specific recruitment successes. Our novel approach can help to guide revegetation of many tree and plant species living in stressful conditions, such as arid, semi‐arid and high mountain habitats.

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Where should they come from? Where should they go? Several measures of seed source locality fail to predict plant establishment in early prairie restorations

Pizza

Foster

Brudvig

2023

Ecol Sol and Evidence

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Mix and match: regional admixture provenancing strikes a balance among different seed-sourcing strategies for ecological restoration

Cited by 162 publications

References 112 publications

Strong patterns of intraspecific variation and local adaptation in Great Basin plants revealed through a review of 75 years of experiments

Strong patterns of intraspecific variation and local adaptation in Great Basin plants revealed through a review of 75 years of experiments

Combined effects of seed provenance, plant facilitation and restoration site on revegetation success

Where should they come from? Where should they go? Several measures of seed source locality fail to predict plant establishment in early prairie restorations

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