Assessment of congruency across invertebrate taxa and taxonomic levels to identify potential surrogates

Lovell, Saskie; Hamer, Michelle; Slotow, Rob; Herbert, David G.

doi:10.1016/j.biocon.2007.06.008

Cited by 150 publications

(135 citation statements)

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“…The huge number of invertebrate species, paucity of available data and lack of accessible resources to carry out comprehensive surveys of invertebrates necessitates the use of surrogates to represent invertebrate diversity in conservation planning, and to facilitate rapid diversity assessments (Lovell et al, 2007). However, to date there still remains no consensus amongst researchers of the criteria for selecting appropriate surrogates, despite the attention that this topic has received in recent research (e.g.…”

Section: Surrogacymentioning

confidence: 97%

“…However, to date there still remains no consensus amongst researchers of the criteria for selecting appropriate surrogates, despite the attention that this topic has received in recent research (e.g. Heino & Soininen, 2007;Lovell et al, 2007;Williams et al, 2007;Uys et al, 2010). Two recent studies of invertebrates in South Africa provide useful examples of the development of surrogate use.…”

Section: Surrogacymentioning

confidence: 99%

“…A total of 38 PAs have been sampled, with 24 represented by >50 samples (Table 2). Species lists and diversity data of several reserves have been published: Ndumo Game Reserve Wesołowska & Haddad, 2009), Tembe Elephant Park , the Mkhuze Game Reserve and Phinda Private Game Reserve (Lovell et al, 2007), Hluhluwe/iMfolozi Park (Mgobozi et al, 2008;Ngome State Forest (Van der Merwe, 1994;Van der Merwe et al, 1996;Dippenaar-Schoeman et al, 2006b), and the iSimangaliso Wetland Park (Combrink, 2007;Combrink & Kyle, 2006).…”

Section: Kwazulu-natal Provincementioning

confidence: 99%

“…Two recent studies of invertebrates in South Africa provide useful examples of the development of surrogate use. Lovell et al (2007) conducted a study in the Mkhuze Game Reserve, Phinda Private Game Reserve and False Bay Park in north-eastern KwaZulu-Natal, and examined the use of species density and species assemblage patterns to identify potential coarse-filter surrogates at a local scale using nine invertebrate taxa, including three families of spiders (Araneidae, Oxyopidae and Thomisidae). They found that the use of higher taxa to represent lower taxa shows good potential as a surrogate, but only in species-poor genera or families, and only in regions where the diversity is well documented.…”

Section: Surrogacymentioning

confidence: 99%

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South African National Survey of Arachnida (SANSA): review of current knowledge, constraints and future needs for documenting spider diversity (Arachnida: Araneae)

Dippenaar-Schoeman

Haddad

Foord

et al. 2015

Transactions of the Royal Society of South Africa

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Biodiversity is one of the most important concepts in contemporary biology, with a broad range of applications. In November 1995, South Africa ratified the Convention on Biological Diversity (CBD). Signatories are obligated to develop a strategic plan for the conservation and sustainable use of biodiversity. To meet the requirements of the CBD, the South African National Survey of Arachnida (SANSA) was initiated in 1997. This national project has several aims: to document and describe the arachnid fauna of South Africa; to consolidate all the available data on South African arachnids into one relational database and to make this biodiversity information available to science; and to address issues concerning their conservation and sustainable use. Extensive sampling took place and the SANSA database contains a wealth of biodiversity data that are used to provide answers to ecological questions. Presently 71 spider families, 471 genera and 2170 species are known from South Africa, representing approximately 4.8% of the world fauna. This paper presents the current state of spider biodiversity information and how it is managed. It demonstrates the importance of running a national inventory; emphasises the significance of using a good database application; and the importance of capacity development to improve the quality and integration of biodiversity information. Further, it shows the role SANSA has played in unifying and strengthening arachnid research, with the major thrust to discover the spider diversity in South Africa. We discuss the present status of knowledge, constraints to improving this, and the future directions for research. SANSA has provided the foundations for a more integrative approach to spider diversity research. Future research should build on this legacy by linking taxonomic diversity with that of functional diversity, predicting the response of this diversity to global change drivers. Functional approaches will link these studies to ecosystem processes. Global collaborative studies at several sites following standardised sampling protocols and focused research questions would add value to the SANSA collection and the importance of spiders for the health of ecosystems.

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Section: Surrogacymentioning

confidence: 97%

Section: Surrogacymentioning

confidence: 99%

Section: Kwazulu-natal Provincementioning

confidence: 99%

Section: Surrogacymentioning

confidence: 99%

See 2 more Smart Citations

South African National Survey of Arachnida (SANSA): review of current knowledge, constraints and future needs for documenting spider diversity (Arachnida: Araneae)

Dippenaar-Schoeman

Haddad

Foord

et al. 2015

Transactions of the Royal Society of South Africa

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“…Lovell et al (2007) defined a minimum threshold in R 2 values of 0.75 in order to select good surrogates. Following the same approach for pseudo R 2 values, the number of genera seemed to be a very reliable substitute of species richness, thus confirming our first working hypothesis.…”

Section: Sampling Effortmentioning

confidence: 99%

The use of a functional approach as surrogate of Collembola species richness in European perennial crops and forests

Reis

Carvalho

Silva

et al. 2016

Ecological Indicators

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a b s t r a c tCollembolans are known indicators of soil disturbance, used in several soil biodiversity monitoring programmes. As for other groups of soil microarthropods, taxonomic determination of Collembola species requires a huge effort and expert knowledge. In this study, we evaluated whether identification of Collembola species to the morphotype level, using an eco-morphological index which classifies individuals based on their adaptation to the soil, can be used as a surrogate of species richness in extensive monitoring schemes. The same evaluation was performed for higher taxa surrogates, using taxonomic categories at the genus and family levels. Additionally, sampling effort for perennial crops and forest systems was determined. Species data were collected from 35 sites sampled within different projects with the same number of samples (16 per site). Results showed that, on average, 8-12 samples are enough to have a good estimate of species richness for this type of systems, averaging 80-90%, but varying considerably with site habitat heterogeneity and local Collembola species pool. GLM models (using species richness as response variable) fitted for family, genus or morphotype levels (explanatory variables) were all significant (p < 0.05) but only the latter two had a pseudo R 2 higher than 0.75. This indicates that when a rapid, cost-effective assessment of Collembola richness in different sites is required, this eco-morphological trait approach, as well as the determination to the genus level, could be used.

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Effectiveness of habitat classes as surrogates for biodiversity in marine reserve planning

Dixon-Bridges

Hutchings

Gladstone

2013

Aquatic Conservation

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Surrogates are used in marine conservation planning when there is limited information on the distribution of biodiversity, and representation of species and assemblage diversity are conservation goals. With prior confirmation of their relationship to spatial variation in biodiversity, habitat classification schemes are a potentially useful surrogate. Polychaetes can comprise over one‐third of species of benthic infaunal assemblages, they are the most frequent and abundant marine metazoans in benthic environments, and they are a reliable surrogate for other macrobenthic taxa. It was tested whether polychaete biodiversity differed among six estuarine habitat classes defined for conservation planning in the Port Stephens–Great Lakes Marine Park, New South Wales, Australia: subtidal sand, mud, muddy sand, and seagrass beds comprising Posidonia australis, Zostera capricorni and mixed Posidonia/Zostera. Polychaetes were sampled from replicate sites in each habitat and differences among habitat classes in species richness, abundance, and assemblage structure were examined. Several environmental variables, known to be important determinants of polychaete distribution, were also quantified at each site. Ninety‐five species of polychaetes (belonging to 35 families) were identified. Species richness and abundance did not differ among the habitat classes. Polychaete assemblages of subtidal sand differed from assemblages in both mud and muddy sand, however, assemblages in all other habitats were not different. A combination of some of the measured environmental variables (distance to the estuary entrance, depth, sediment grain size) was a more important determinant of assemblage variation than the habitat classes. Using these predictors, an alternative habitat classification scheme to the scheme currently utilized in marine park planning is proposed. This study demonstrates the critical importance of testing assumptions about surrogacy and an approach for refining surrogates. Copyright © 2013 John Wiley & Sons, Ltd.

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Assessment of congruency across invertebrate taxa and taxonomic levels to identify potential surrogates

Cited by 150 publications

References 41 publications

South African National Survey of Arachnida (SANSA): review of current knowledge, constraints and future needs for documenting spider diversity (Arachnida: Araneae)

South African National Survey of Arachnida (SANSA): review of current knowledge, constraints and future needs for documenting spider diversity (Arachnida: Araneae)

The use of a functional approach as surrogate of Collembola species richness in European perennial crops and forests

Effectiveness of habitat classes as surrogates for biodiversity in marine reserve planning

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