public void AddSourceCount(SourceCount sourceCount)
        {
            SourceCount tempSourceCount = GetSourceCount(sourceCount.VegetationSourceID);

            if (tempSourceCount == null)
            {
                tempSourceCount = new SourceCount {
                    VegetationSourceID = sourceCount.VegetationSourceID
                };
                SourceCountList.Add(tempSourceCount);
            }
            tempSourceCount.Count += sourceCount.Count;
        }
        void IncreaseSourceCount(byte vegetationSourceID)
        {
            SourceCount sourceCount = GetSourceCount(vegetationSourceID);

            if (sourceCount == null)
            {
                sourceCount = new SourceCount {
                    VegetationSourceID = vegetationSourceID
                };
                SourceCountList.Add(sourceCount);
            }
            sourceCount.Count++;
        }
        void DecreaseSourceCount(byte vegetationSourceID)
        {
            SourceCount sourceCount = GetSourceCount(vegetationSourceID);

            if (sourceCount == null)
            {
                return;
            }
            sourceCount.Count--;

            if (sourceCount.Count == 0)
            {
                SourceCountList.Remove(sourceCount);
            }
        }