Similar but not equivalent: ecological niche comparison across closely–related <scp>M</scp>exican white pines

Aguirre‐Gutiérrez, Jesús; Serna‐Chavez, Héctor M.; Villalobos-Arámbula, Alma Rosa; Rosa, Jorge A. Pérez de la; Raes, Niels

doi:10.1111/ddi.12268

Cited by 94 publications

(87 citation statements)

References 62 publications

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“…The equivalency test is based on the climatic conditions at the exact locations from where the species is recorded in the native as well exotic ranges. But the similarity test compares the climatic conditions of the entire exotic range against the native climatic niche derived from the occurrence records (Aguirre‐Gutiérrez, Serna‐Chavez, Villalobos‐Arambula, Pérez de la Rosa, & Raes, ). In our case, the native niche is more similar to the exotic niche than any randomly sampled niche from the exotic range.…”

Section: Discussionmentioning

confidence: 99%

Niche expansion of the invasive plant species Ageratina adenophora despite evolutionary constraints

Datta

Schweiger

Kühn

2019

Journal of Biogeography

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Aim Ecological inferences drawn from studies on niche dynamics of invasive species are often limited due to difficulties in disentangling evolutionary adaptations of the fundamental niche from demographic and interspecific processes shaping the realized niche. We used Ageratina adenophora, an invasive plant with restricted evolutionary potential to investigate shifts in the realized climatic niche independent of potential evolutionary adaptations. Location Native Mexican range; exotic ranges in Asia, the USA, the Canary Islands and Australia. Taxon Invasive Asteraceae A. adenophora (Spreng.) R.M.King & H.Rob. Commonly known as Crofton weed. Methods We compiled a robust occurrence dataset of A. adenophora for its native Mexican range and four exotic ranges (Asia, USA, Canary Islands, and Australia) and quantified pairwise niche overlap (Schoener's D) and niche dynamic (stable, unfilling and expansion) indices between the native and exotic ranges in reduced climatic space using smoothed occurrence densities. Niche shift was statistically tested using niche equivalency tests. Results The value of niche overlap (Schoener's D) differed considerably, ranging from relatively high between Mexico and Asia to low between Mexico and Australia. The niche dynamic indices indicated highest level of niche stability in Asia while highest degree of unstable niche was detected in Australia due to both niche expansion and unfilling. The niche similarity tests indicated that the native niche is more similar to the exotic niche than any randomly sampled niche from the exotic range. However, the niche equivalency tests showed evidence of niche differentiation as the observed niche overlap was lower than expected by chance for all pairwise comparisons. Jointly these tests indicate that despite the similarity, the native niche is not perfectly identical to any of the exotic niches. Main conclusions The current study has direct implications for understanding range expansion of invasive species even in the absence of evolutionary adaptation. Our study indicates that invasive species can occupy different, non‐consistent realized climatic niches in different parts of the world, thus limiting the transferability of species distribution models and corresponding risk assessments or future projections.

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Section: Discussionmentioning

confidence: 99%

Niche expansion of the invasive plant species Ageratina adenophora despite evolutionary constraints

Datta

Schweiger

Kühn

2019

Journal of Biogeography

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“…; Aguirre‐Gutiérrez et al. ). Most of these are calculated from a multivariate climatic space that applies kernel smoothers to the species occurrences, allowing to check for niche conservatism (Warren et al.…”

Section: Introductionmentioning

confidence: 99%

American trees shift their niches when invading Western Europe: evaluating invasion risks in a changing climate

Camenen

Porté

Garzón

2016

Ecology and Evolution

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Four North American trees are becoming invasive species in Western Europe: Acer negundo, Prunus serotina, Quercus rubra, and Robinia pseudoacacia. However, their present and future potential risks of invasion have not been yet evaluated. Here, we assess niche shifts between the native and invasive ranges and the potential invasion risk of these four trees in Western Europe. We estimated niche conservatism in a multidimensional climate space using niche overlap Schoener's D, niche equivalence, and niche similarity tests. Niche unfilling and expansion were also estimated in analogous and nonanalogous climates. The capacity for predicting the opposite range between the native and invasive areas (transferability) was estimated by calibrating species distribution models (SDMs) on each range separately. Invasion risk was estimated using SDMs calibrated on both ranges and projected for 2050 climatic conditions. Our results showed that native and invasive niches were not equivalent with low niche overlap for all species. However, significant similarity was found between the invasive and native ranges of Q. rubra and R. pseudoacacia. Niche expansion was lower than 15% for all species, whereas unfilling ranged from 7 to 56% when it was measured using the entire climatic space and between 5 and 38% when it was measured using analogous climate only. Transferability was low for all species. SDMs calibrated over both ranges projected high habitat suitability in Western Europe under current and future climates. Thus, the North American and Western European ranges are not interchangeable irrespective of the studied species, suggesting that other environmental and/or biological characteristics are shaping their invasive niches. The current climatic risk of invasion is especially high for R. pseudoacacia and A. negundo. In the future, the highest risks of invasion for all species are located in Central and Northern Europe, whereas the risk is likely to decrease in the Mediterranean basin.

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“…The fact that GYCA and PAC share more features of their niche spaces than randomly expected is not contradictory with the equivalency results and, on the contrary, corroborates that these lineages share environmental niche space but not all ecological variables (Warren et al ., ), as expected for closely related but different species (lineages). Such a pattern was identified for Mexican white pine species ( Pinus ; Aguirre‐Gutiérrez et al ., ).…”

Section: Discussionmentioning

confidence: 97%

“…Furthermore, our analyses of niche differentiation indicated niche divergence between GYCA and PAC and also niche conservatism, where PAC's niche represents a marginal and specialized fraction of the entire ecological space of the GYCA niche. In addition, high values of asymmetrical interpredictability between both niches suggest that lineages retained certain ancestral ecological traits (Raxworthy et al ., ; Aguirre‐Gutiérrez et al ., ). This pattern is the expected result from recent allopatric speciation, in which genetic divergence occurs before niche divergence in response to a vicariant event associated with a barrier (Kozak & Wiens, ; McCormack et al ., ).…”

Section: Discussionmentioning

confidence: 97%

“…Our analyses of ecological interprediction and niche similarity and equivalency revealed a dynamic process of niche evolution. PAC and GYCA lineages share environmental niche space but not all ecological variables, in agreement with patterns observed for closely related but still differentiated lineages (Arteaga et al ., ; Aguirre‐Gutiérrez et al ., ). Also, a more recent signal of genetic structure within lineages was found, where the quality of the ecological niche further influences genetic distribution patterns within populations.…”

Section: Discussionmentioning

confidence: 97%

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The role of the environment on the genetic divergence between two Boa imperator lineages

Suárez‐Atilano

Rojas‐Soto

Parra

et al. 2017

Journal of Biogeography

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Aim A fundamental problem in evolutionary biology has been understanding the role of environmental factors in the process of genetic diversification. Our main goal was to define the ecological niches of two Boa imperator lineages, in order to assess if environmental drivers could be associated with the divergence and genetic variation between them. We quantified the environmental niches at two evolutionary and geographical scales: regional‐historical (lineages) and local‐ecological (individuals within lineages). Location Neotropical region of Mexico and mainland Central America. Methods We performed ecological niche modelling (ENM) methods by defining the accessibility area per B. imperator lineage, based on their geographic ranges, to analyse ecological and geographical distributions. We applied statistics of niche overlap, interpredictability, equivalency and similarity. We tested the niche‐centrality hypothesis within lineages by evaluating the relationship between genetic metrics and the distance to ecological and geographical centroids. Results Temperature seasonality, precipitation and elevation were the most informative environmental variables (GARP and MaxEnt). Ecological interprediction and niche similarity and equivalency tests revealed a dynamic process of niche evolution, where the niches of the two lineages are not identical but still showed a signature of niche conservatism. Correlation analyses between genetic variability and structure showed negative correlations with distance to ecological and geographical centroids at the local level. Main conclusions Our results support the role of environmental variables as significant and highly accurate predictors of lineage distribution and divergence, in agreement with the boa's evolutionary history. The niches of the two lineages are not identical, sharing environmental niche space but not all ecological variables. A historically more recent signal of genetic structure within lineages was evident, where the quality of the ecological niche further influences genetic distribution patterns within populations. Our results illustrate how ENM may validate evolutionary patterns from a biogeographical and phylogeographical framework.

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Similar but not equivalent: ecological niche comparison across closely–related Mexican white pines

Cited by 94 publications

References 62 publications

Niche expansion of the invasive plant species Ageratina adenophora despite evolutionary constraints

Niche expansion of the invasive plant species Ageratina adenophora despite evolutionary constraints

American trees shift their niches when invading Western Europe: evaluating invasion risks in a changing climate

The role of the environment on the genetic divergence between two Boa imperator lineages

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