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Main Authors:	NUÑEZ AVELLANEDA, LUIS ALBERTO, Carreño-Barrera, Javier, Maia, Artur
Format:	Recurso digital
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Published:	Zenodo 2025
Online Access:	https://doi.org/10.5281/zenodo.17832682
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Title: Long-term population dynamics and functional role of Cyclocephala beetles on Acrocomia aculeata (2010–2024): Observational and experimental data. Description: This dataset supports the findings of the study "Pollinator, Pest, or Neither? Long-term Dynamics and Functional Role of Cyclocephaline Beetles on Macaúba Palm." It comprises a 15-year longitudinal study (2010–2024) conducted in the Colombian Orinoquía ('La Macarena' estate, Casanare) to evaluate the ecological role of three cyclocephaline beetle species (Cyclocephala amazona, C. forsteri, and C. discicollis) associated with the economically important macaw palm, Acrocomia aculeata. The data is organized into a single multi-sheet Excel workbook containing four distinct datasets: <ul> <li> Dataset S1 (Short-Term Dynamics): Raw counts of beetle abundance monitored daily throughout the four-day anthesis cycle of individual inflorescences (n=10) during the 2017 flowering season. This data captures fine-scale temporal usage of the floral resource. </li> <li> Dataset S2 (Monthly Seasonality): Consists of two parts: (S2a) raw monthly counts per biological replicate (n=3 palms/month) from 2015 to 2017; and (S2b) aggregated monthly mean abundance merged with local meteorological records (accumulated rainfall) and regional climatic indices (Niño 4 SST anomalies). These data underpin the analysis of seasonal phenological drivers. </li> <li> Dataset S3 (Long-Term Trends): Annual monitoring data spanning 15 years (2010–2024). Includes (S3a) raw annual counts; (S3b) processed mean annual abundances with interpolated values for the 2020–2021 gap years, paired with lagged environmental variables for time-series analysis; and (S3c) ARIMA model forecasts projecting beetle abundance through 2029. </li> <li> Dataset S4 (Exclusion Experiments): Results from pollination exclusion bioassays conducted over three years (2015–2017). Variables include initial female flower counts, fruit set, and calculated reproductive efficiency across four treatments: Control (Open Pollination), Cyclocephala Access Only, Cyclocephala Exclusion, and Total Visitor Exclusion. </li> </ul> Methodological Note: Environmental data were sourced from the Institute of Hydrology, Meteorology and Environmental Studies (IDEAM, Colombia) and the NOAA Climate Prediction Center. Phenological availability (Dataset S2b) requires user input based on local field records. Keywords: Acrocomia aculeata, Cyclocephala, pollination ecology, insect-plant interactions, long-term monitoring, pest management, Orinoquía.

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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