2021
DOI: 10.1111/gcb.15558
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Sampling frequency, duration and the Southern Oscillation influence the ability of long‐term studies to detect sudden change

Abstract: Ecologists have long acknowledged the importance of context dependency related to position along spatial gradients. It is also acknowledged that broad‐scale climate patterns can directly and indirectly alter population dynamics. What is not often addressed is whether climate patterns such as the Southern Oscillation interact with population‐level temporal patterns and affect the ability of time‐series data, such as long‐term state of the environment monitoring programmes, to detect change. Monitoring design cr… Show more

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Cited by 3 publications
(3 citation statements)
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“…Only samples collected during summer (October–February) were included and sites within estuaries were at least 50 m apart (to ensure our assumption of independence among samples for the analysis—see next section). At each site, a variable number of replicate cores were used to sample the macrofaunal community (ranging from 3 to 12 replicate cores depending on the study/monitoring dataset) (Hewitt et al, 2021). To ensure macrofaunal community data were comparable between sites (and datasets), three replicate cores were averaged, resulting in a single estimate of macrofaunal community data for each site (which was paired to a single measure of environmental data).…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…Only samples collected during summer (October–February) were included and sites within estuaries were at least 50 m apart (to ensure our assumption of independence among samples for the analysis—see next section). At each site, a variable number of replicate cores were used to sample the macrofaunal community (ranging from 3 to 12 replicate cores depending on the study/monitoring dataset) (Hewitt et al, 2021). To ensure macrofaunal community data were comparable between sites (and datasets), three replicate cores were averaged, resulting in a single estimate of macrofaunal community data for each site (which was paired to a single measure of environmental data).…”
Section: Methodsmentioning
confidence: 99%
“…Only samples collected during summer (October-February) were included and sites within estuaries were at least 50 m apart (to ensure our assumption of independence among samples for the analysis-see next section). At each site, a variable number of replicate cores were used to sample the macrofaunal community (ranging from 3 to 12 replicate cores depending on the study/ monitoring dataset) (Hewitt et al, 2021). To ensure…”
Section: Data Compilationmentioning
confidence: 99%
“…Variability in coastal ecosystems is also viewed differently among planners, managers and ecologists. In Aotearoa-New Zealand, temporal variability in coastal ecological and environmental responses can be particularly high because the southern decadal oscillation and El Niño/-La Niña weather patterns have a strong effect on physical, chemical and biological parameters (Hewitt et al, 2021). The problem here is not convincing people that climate variability occurs, as in Aotearoa-New Zealand the El Niño or La Niña statistics are frequently reported on during the year, rather it is convincing them that this does not preclude understanding what is going on, and that small effects within this climate variability can still drive large changes.…”
Section: Scientific Conceptsmentioning
confidence: 99%