Data repository for Metabolic activity and nutrient availability drive phosphorus and ammonium uptake in river biofilms under contrasting light conditions

Data repository for:<b>Metabolic activity and nutrient availability drive phosphorus and ammonium uptake in river biofilms under contrasting light conditions</b>This repository accompanies the manuscript submitted to <b>Limnology and Oceanography </b>and contains all datasets and R scripts used to perform the analyses described in the study.---📁 Contents of this repository:<br>1. <b>R code biofilm uptake.R</b>: R script used to perform all statistical analyses described in the study, including GLMM fitting, model selection, and model averaging.2. <b>Biofilm nutrient uptake.csv</b>: CSV file containing nutrient uptake rates (SRP and NH₄⁺) for all incubations conducted under light and dark conditions.3. <b>Model selection.csv</b>: CSV file used to analyze spatial and temporal variability in physicochemical and biofilm structural variables, and to explore their influence on biofilm nutrient uptake using model selection.4. <b>Variable legend.csv</b>: CSV file listing and describing all variables in "Model_selection.csv", including full variable names, units, and acronyms.5. <b>Light-Dark uptake ratio.csv</b>: CSV file containing the light–dark uptake ratios for NH₄⁺ and SRP, averaged per site and sampling date.6. <b>NH4-SRP uptake ratio.csv</b>: CSV file containing the NH₄⁺:SRP molar uptake ratios calculated for incubations with dual nutrient additions.7. <b>Random structure selection.csv</b>: CSV file used to explore random-effect structures (Site, Time, Site + Time, Site × Time) using global models prior to model selection.---Please cite this repository if you use these data or scripts in your own research.

本数据仓库配套研究论文<b>《Metabolic activity and nutrient availability drive phosphorus and ammonium uptake in river biofilms under contrasting light conditions》</b>，本仓库配套已投稿至<b>《湖沼学与海洋学》（Limnology and Oceanography）</b>的手稿，包含本研究所有分析所用的数据集与R脚本。---📁 本仓库包含以下内容：<br>1. <b>R code biofilm uptake.R</b>：用于执行本研究全部统计分析的R脚本，涵盖广义线性混合模型（Generalized Linear Mixed Model, GLMM）拟合、模型选择与模型平均流程。2. <b>Biofilm nutrient uptake.csv</b>：包含所有光照与黑暗培养实验中可溶性反应性磷（Soluble Reactive Phosphorus, SRP）与铵离子（Ammonium, NH₄⁺）的摄取速率数据集。3. <b>Model selection.csv</b>：用于分析理化与生物膜结构变量的时空变异性，并通过模型选择探究其对生物膜养分摄取的影响。4. <b>Variable legend.csv</b>：列出并说明"Model_selection.csv"中的全部变量，包含变量全称、单位与缩写信息。5. <b>Light-Dark uptake ratio.csv</b>：包含按样点与采样日期平均后的NH₄⁺与SRP的光照-黑暗摄取比率数据。6. <b>NH4-SRP uptake ratio.csv</b>：包含双养分添加培养实验中计算得到的NH₄⁺与SRP的摩尔摄取比率数据。7. <b>Random structure selection.csv</b>：用于在模型选择前通过全局模型探究随机效应结构（样点、时间、样点+时间、样点×时间）。---若您在自身研究中使用本仓库的数据或脚本，请引用本数据仓库。