Trade-offs in plankton species richness arising from drought: insights from long-term data of a National Park wetland (central Spain)

Rojo, Carmen; Álvarez‐Cobelas, Miguel; Benavent-Corai, José; Barón-Rodríguez, Maria Mercedes; Rodrigo, María A.

doi:10.1007/s10531-012-0307-1

Cited by 31 publications

(30 citation statements)

References 83 publications

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“…The environmental conditions that allowed the development of C. hispida in the water spring were fluctuating and not wholly cyclic throughout the study period, as observed in similar ecosystems (Rojo and Rodrigo, 2010;Rojo et al, 2012) that are subjected to disturbances such as the lack of water input during the winter of 2011-12 (Fig. 1B). However, the water level fluctuations (considering the maximum and the lowest level throughout the study) resulting from variations in inflow, outflow, evaporation and rainfall were only approximately 20 cm in magnitude (Fig.…”

Section: Resultsmentioning

confidence: 59%

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The role of charophytes in a Mediterranean pond created for restoration purposes

et al. 2015

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Section: Resultsmentioning

confidence: 59%

“…Each sample was fixed immediately with sucrose-formalin (Haney and Hall 1973). The phytoplankton and metazooplankton determinations were performed following Rojo et al (2012).…”

Section: Sampling and Analyses Of Water And Determination Of The Undementioning

confidence: 99%

The role of charophytes in a Mediterranean pond created for restoration purposes

et al. 2015

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“…There are many types of wetlands worldwide and the heterogeneity of their environments is widely known (Rojo et al, 2012). While sharing common characteristics that define them, these shallow aquatic ecosystems are naturally subjected to water-level fluctuations due to the seasonal variation of precipitation, runoff, and/or evaporation (Naselli-Flores and Barone, 2005).…”

Section: Introductionmentioning

confidence: 99%

“…Wetlands are amongst the most sensitive ecosystems and may become fragmented during drought periods (Angeler et al, 2010). Recently the number of studies exploring the effects of drought on wetland communities is increasing (Bucak et al, 2012;Granado and Henry, 2014;Rojo et al, 2012;Stević et al, 2013). However, studies are still limited compared to those regarding floods and other disturbances (Lake, 2011).…”

Section: Introductionmentioning

confidence: 99%

Influence of re-flooding on phytoplankton assemblages in a temperate wetland following prolonged drought

Avigliano¹,

Vinocur²,

Chaparro³

et al. 2014

J Limnol

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“…The non-linear change of hydroperiods identified highlights the presence of two distinct abiotic states in the wetland for which substantial differences in abiotic and biotic conditions have been shown (overview in [38]). Hydroperiod and water dynamics critically control plankton structure, function and processes in wetlands and shifts in hydrological condition inevitably lead to a profound re-organization of phytoplankton communities [39,40]. We assessed community dynamics and resilience attributes of phytoplankton (resilience of what [41]) to the ecological conditions within these wet and dry states (resilience to what).…”

Section: Introductionmentioning

confidence: 99%

Inferring the Relative Resilience of Alternative States

et al. 2013

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Ecological systems may occur in alternative states that differ in ecological structures, functions and processes. Resilience is the measure of disturbance an ecological system can absorb before changing states. However, how the intrinsic structures and processes of systems that characterize their states affects their resilience remains unclear. We analyzed time series of phytoplankton communities at three sites in a floodplain in central Spain to assess the dominant frequencies or “temporal scales” in community dynamics and compared the patterns between a wet and a dry alternative state. The identified frequencies and cross-scale structures are expected to arise from positive feedbacks that are thought to reinforce processes in alternative states of ecological systems and regulate emergent phenomena such as resilience. Our analyses show a higher species richness and diversity but lower evenness in the dry state. Time series modeling revealed a decrease in the importance of short-term variability in the communities, suggesting that community dynamics slowed down in the dry relative to the wet state. The number of temporal scales at which community dynamics manifested, and the explanatory power of time series models, was lower in the dry state. The higher diversity, reduced number of temporal scales and the lower explanatory power of time series models suggest that species dynamics tended to be more stochastic in the dry state. From a resilience perspective our results highlight a paradox: increasing species richness may not necessarily enhance resilience. The loss of cross-scale structure (i.e. the lower number of temporal scales) in community dynamics across sites suggests that resilience erodes during drought. Phytoplankton communities in the dry state are therefore likely less resilient than in the wet state. Our case study demonstrates the potential of time series modeling to assess attributes that mediate resilience. The approach is useful for assessing resilience of alternative states across ecological and other complex systems.

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Trade-offs in plankton species richness arising from drought: insights from long-term data of a National Park wetland (central Spain)

Cited by 31 publications

References 83 publications

The role of charophytes in a Mediterranean pond created for restoration purposes

The role of charophytes in a Mediterranean pond created for restoration purposes

Influence of re-flooding on phytoplankton assemblages in a temperate wetland following prolonged drought

Inferring the Relative Resilience of Alternative States

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