Measuring standardized effect size improves interpretation of biomonitoring studies and facilitates meta-analysis

McCabe, Declan J.; Hayes-Pontius, Erin M.; Canepa, Alexandra; Berry, Kaitlyn S.; Levine, Bridget C.

doi:10.1899/11-080.1

Cited by 16 publications

(14 citation statements)

References 38 publications

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“…Specifically, HD samplers tend to collect lower taxon diversity versus other methods (Shaw and Minshall, 1980;Blocksom and Flotemersch, 2005;Letovsky et al, 2012;McCabe et al, 2012;Macanowicz et al, 2013), a result we also observed for the Niobrara River when comparing HD and Hess sampling. The limited diversity observed using HD samplers may be because some invertebrates are limited in their ability to colonize HD plates due to habitat requirements (e.g., no sediment to burrow into), functional feeding group (e.g., a shredder with no access to leaves), or other factors.…”

Section: Hd Versus Hess Samplingsupporting

confidence: 61%

Long-term trends in aquatic ecosystem bioassessment metrics are not influenced by sampling method: empirical evidence from the Niobrara River

Tronstad

Hotaling

2017

Knowl. Manag. Aquat. Ecosyst.

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-Choosing an aquatic invertebrate sampling method for biomonitoring depends upon study goals, resources, and ecosystem conditions. In this study, we compared two methods that are widely used in stream ecology, but have not been directly compared: Hester-Dendy (HD) and Hess sampling. Hester-Dendy sampling uses artificial substrate that invertebrates colonize over a specific period of time. In contrast, Hess samplers surround a fixed area of natural substrate with a net. To compare approaches, we combined 5 years of simultaneous HD and Hess data collection (2010)(2011)(2012)(2013)(2014) from the Niobrara River with a 14-year (1996)(1997)(1998)(1999)(2000)(2001)(2002)(2003)(2004)(2005)(2006)(2007)(2008)(2009) historical HD data set for the same study sites. We used this full 19-year data set to assess how ecosystem health has changed in the Niobrara River over time, while also testing the influence of HD versus Hess data (2010-2014) on historical trends (1996)(1997)(1998)(1999)(2000)(2001)(2002)(2003)(2004)(2005)(2006)(2007)(2008)(2009). Our results showed that HD samples are more taxonomically variable and bias bioassessment metrics because they collect more sensitive taxa versus Hess sampling. However, when combined with the 1996-2009 HD data set, both recent HD and Hess data sets recovered the same trend of declining ecosystem health in the Niobrara River. These results provide empirical evidence that even when historical HD data are combined with recent Hess data, long-term bioassessment trends remain unchanged despite more accurate perspectives of invertebrate assemblages being collected.Keywords: biodiversity / stream ecology / biomonitoring / Hester-Dendy sampling / Hess sampling Résumé -Les tendances à long terme des mesures de bioévaluation des écosystèmes aquatiques ne sont pas influencées par la méthode d'échantillonnage : des preuves empiriques de la rivière Niobrara. Le choix d'une méthode d'échantillonnage des invertébrés aquatiques pour la biosurveillance dépend des objectifs de l'étude, des ressources et des conditions de l'écosystème. Dans cette étude, nous avons comparé deux méthodes largement utilisées dans l'écologie des rivières, mais n'ont pas été directement comparées: échantillonnage Hester-Dendy (HD) et Hess. L'échantillonnage de Hester-Dendy utilise un substrat artificiel que les invertébrés colonisent sur une période de temps spécifique. En revanche, les échantillonneurs Hess entourent une surface fixe de substrat naturel avec un filet. Pour comparer les approches, nous avons combiné cinq années de collecte simultanée de données HD et Hess (2010Hess ( -2014 de la rivière Niobrara avec un ensemble historique de données HD de 14 ans (1996-2009) pour les mêmes sites d'étude. Nous avons utilisé ce jeu de données complet de 19 ans pour évaluer la façon dont la santé des écosystèmes a changé dans la rivière Niobrara au fil du temps, tout en testant l'influence des données HD versus Hess (2010-2014 sur les tendances historiques (1996)(1997)(1998)(1999)(2000)(2001)(2002)(2003)(2004)(2005...

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Section: Hd Versus Hess Samplingsupporting

confidence: 61%

Long-term trends in aquatic ecosystem bioassessment metrics are not influenced by sampling method: empirical evidence from the Niobrara River

Tronstad

Hotaling

2017

Knowl. Manag. Aquat. Ecosyst.

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“…Finally, calculation of SES allows comparison of trends among different studies (McCabe et al. ) because SES is independent of differences in the number of herbivore species included in the dataset. Previous phylogenetic studies assessed the percentage of host shifts between host plant families in each taxonomic group (Lopez‐Vaamonde et al.…”

Section: Discussionmentioning

confidence: 99%

“…This null model approach is commonly used for expressing biological differences regardless of the units of the indices (McCabe et al. ).…”

Section: Methodsmentioning

confidence: 99%

Phylogenetic test of speciation by host shift in leaf cone moths (Caloptilia) feeding on maples (Acer)

Nakadai

Kawakita

2016

Ecology and Evolution

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The traditional explanation for the exceptional diversity of herbivorous insects emphasizes host shift as the major driver of speciation. However, phylogenetic studies have often demonstrated widespread host plant conservatism by insect herbivores, calling into question the prevalence of speciation by host shift to distantly related plants. A limitation of previous phylogenetic studies is that host plants were defined at the family or genus level; thus, it was unclear whether host shifts predominate at a finer taxonomic scale. The lack of a statistical approach to test the hypothesis of host‐shift‐driven speciation also hindered studies at the species level. Here, we analyze the radiation of leaf cone moths (Caloptilia) associated with maples (Acer) using a newly developed, phylogeny‐based method that tests the role of host shift in speciation. This method has the advantage of not requiring complete taxon sampling from an entire radiation. Based on 254 host plant records for 14 Caloptilia species collected at 73 sites in Japan, we show that major dietary changes are more concentrated toward the root of the phylogeny, with host shift playing a minor role in recent speciation. We suggest that there may be other roles for host shift in promoting herbivorous insect diversification rather than facilitating speciation per se.

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“…This null model approach is commonly used for expressing biological differences regardless of the units of the indices (McCabe et al . ). Finally, to test whether the patterns of resource, temporal and enemy niche uses are interrelated or whether any of them is affected by phylogeny, we tested the correlations between the degrees of overlap among the three niches (resource, temporal and enemy) and phylogenetic distances (phylogeny) using Mantel tests.…”

Section: Methodsmentioning

confidence: 97%

Patterns of temporal and enemy niche use by a community of leaf cone moths (Caloptilia) coexisting on maples (Acer) as revealed by metabarcoding

Nakadai

Kawakita

2017

Molecular Ecology

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The diversity of herbivorous insects is often considered a function of host plant diversity. However, recent research has uncovered many examples of closely related herbivores using the same host plant(s), suggesting that partitioning of host plants is not the only mechanism generating diversity. Herbivores sharing hosts may utilize different parts of the same plant, but such resource partitioning is often not apparent; hence, the factors that allow closely related herbivores to coexist are still largely undetermined. We examined whether partitioning of phenology or natural enemies may explain the coexistence of leaf cone moths (Caloptilia; Gracillariidae) associated with maples (Acer; Sapindaceae). Larval activity of 10 sympatric Caloptilia species found on nine maple species was monitored every 2-3 weeks for a total of 13 sampling events, and an exhaustive search for internal parasitoid wasps was conducted using high-throughput sequencing. Blocking primers were used to facilitate the detection of wasp larvae inside moth tissue. We found considerable phenological overlap among Caloptilia species, with two clear peaks in July and September-October. Coexisting Caloptilia species also had largely overlapping parasitoid communities; a total of 13 chalcid and ichneumon wasp species attacked Caloptilia in a nonspecific fashion at an overall parasitism rate of 46.4%. Although coexistence may be facilitated by factors not accounted for in this study, it appears that niche partitioning is not necessary for closely related herbivores to stably coexist on shared hosts. Co-occurrence without resource partitioning may provide an additional axis along which herbivorous insects attain increased species richness.

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Measuring standardized effect size improves interpretation of biomonitoring studies and facilitates meta-analysis

Cited by 16 publications

References 38 publications

Long-term trends in aquatic ecosystem bioassessment metrics are not influenced by sampling method: empirical evidence from the Niobrara River

Long-term trends in aquatic ecosystem bioassessment metrics are not influenced by sampling method: empirical evidence from the Niobrara River

Phylogenetic test of speciation by host shift in leaf cone moths (Caloptilia) feeding on maples (Acer)

Patterns of temporal and enemy niche use by a community of leaf cone moths (Caloptilia) coexisting on maples (Acer) as revealed by metabarcoding

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